Home / 38,302.76-52,853.78-21,304.24

Finding the Fourth Proportional to 38,302.76, 52,853.78 and 21,304.24

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Solution

The fourth proportional to 38,302.76, 52,853.78 and 21,304.24 is: 29,397.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,302.76 : 52,853.78 = 21,304.24 : x
  2. Step 2: Convert to fraction form
    38,302.76/52,853.78 = 21,304.24/x
  3. Step 3: Cross multiply
    38,302.76x = 52,853.78 × 21,304.24
  4. Step 4: Simplify right side
    38,302.76x = 1,126,009,535.15
  5. Step 5: Solve for x
    x = 1,126,009,535.15/38,302.76
  6. Step 6: Final answer
    x = 29,397.61

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Half scale
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Double scale
Find fourth proportional to 38,303.76, 52,855.16 and 21,305.24
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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.