Home / 38,132.13-52,624.43-21,138.38

Finding the Fourth Proportional to 38,132.13, 52,624.43 and 21,138.38

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Solution

The fourth proportional to 38,132.13, 52,624.43 and 21,138.38 is: 29,172.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,132.13 : 52,624.43 = 21,138.38 : x
  2. Step 2: Convert to fraction form
    38,132.13/52,624.43 = 21,138.38/x
  3. Step 3: Cross multiply
    38,132.13x = 52,624.43 × 21,138.38
  4. Step 4: Simplify right side
    38,132.13x = 1,112,394,829.81
  5. Step 5: Solve for x
    x = 1,112,394,829.81/38,132.13
  6. Step 6: Final answer
    x = 29,172.11

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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.