Home / 38,795.33-53,534.22-21,798.23

Finding the Fourth Proportional to 38,795.33, 53,534.22 and 21,798.23

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Solution

The fourth proportional to 38,795.33, 53,534.22 and 21,798.23 is: 30,079.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,795.33 : 53,534.22 = 21,798.23 : x
  2. Step 2: Convert to fraction form
    38,795.33/53,534.22 = 21,798.23/x
  3. Step 3: Cross multiply
    38,795.33x = 53,534.22 × 21,798.23
  4. Step 4: Simplify right side
    38,795.33x = 1,166,950,972.76
  5. Step 5: Solve for x
    x = 1,166,950,972.76/38,795.33
  6. Step 6: Final answer
    x = 30,079.68

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Double scale
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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.