Home / 61,062.28-84,307.05-38,127.02

Finding the Fourth Proportional to 61,062.28, 84,307.05 and 38,127.02

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Solution

The fourth proportional to 61,062.28, 84,307.05 and 38,127.02 is: 52,640.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,062.28 : 84,307.05 = 38,127.02 : x
  2. Step 2: Convert to fraction form
    61,062.28/84,307.05 = 38,127.02/x
  3. Step 3: Cross multiply
    61,062.28x = 84,307.05 × 38,127.02
  4. Step 4: Simplify right side
    61,062.28x = 3,214,376,159.96
  5. Step 5: Solve for x
    x = 3,214,376,159.96/61,062.28
  6. Step 6: Final answer
    x = 52,640.95

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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.