Home / 38,432.04-53,035.74-21,665.04

Finding the Fourth Proportional to 38,432.04, 53,035.74 and 21,665.04

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Solution

The fourth proportional to 38,432.04, 53,035.74 and 21,665.04 is: 29,897.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,432.04 : 53,035.74 = 21,665.04 : x
  2. Step 2: Convert to fraction form
    38,432.04/53,035.74 = 21,665.04/x
  3. Step 3: Cross multiply
    38,432.04x = 53,035.74 × 21,665.04
  4. Step 4: Simplify right side
    38,432.04x = 1,149,021,428.53
  5. Step 5: Solve for x
    x = 1,149,021,428.53/38,432.04
  6. Step 6: Final answer
    x = 29,897.49

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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.