Home / 38,301.23-52,855.56-21,534.23

Finding the Fourth Proportional to 38,301.23, 52,855.56 and 21,534.23

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Solution

The fourth proportional to 38,301.23, 52,855.56 and 21,534.23 is: 29,717.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,301.23 : 52,855.56 = 21,534.23 : x
  2. Step 2: Convert to fraction form
    38,301.23/52,855.56 = 21,534.23/x
  3. Step 3: Cross multiply
    38,301.23x = 52,855.56 × 21,534.23
  4. Step 4: Simplify right side
    38,301.23x = 1,138,203,785.82
  5. Step 5: Solve for x
    x = 1,138,203,785.82/38,301.23
  6. Step 6: Final answer
    x = 29,717.16

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Half scale
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Double scale
Find fourth proportional to 38,302.23, 52,856.94 and 21,535.23
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.