Home / 38,381.14-52,962.19-21,384.71

Finding the Fourth Proportional to 38,381.14, 52,962.19 and 21,384.71

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Solution

The fourth proportional to 38,381.14, 52,962.19 and 21,384.71 is: 29,508.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,381.14 : 52,962.19 = 21,384.71 : x
  2. Step 2: Convert to fraction form
    38,381.14/52,962.19 = 21,384.71/x
  3. Step 3: Cross multiply
    38,381.14x = 52,962.19 × 21,384.71
  4. Step 4: Simplify right side
    38,381.14x = 1,132,580,954.45
  5. Step 5: Solve for x
    x = 1,132,580,954.45/38,381.14
  6. Step 6: Final answer
    x = 29,508.79

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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.