Home / 38,111.14-57,139.02-15,930.85

Finding the Fourth Proportional to 38,111.14, 57,139.02 and 15,930.85

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Solution

The fourth proportional to 38,111.14, 57,139.02 and 15,930.85 is: 23,884.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,111.14 : 57,139.02 = 15,930.85 : x
  2. Step 2: Convert to fraction form
    38,111.14/57,139.02 = 15,930.85/x
  3. Step 3: Cross multiply
    38,111.14x = 57,139.02 × 15,930.85
  4. Step 4: Simplify right side
    38,111.14x = 910,273,156.77
  5. Step 5: Solve for x
    x = 910,273,156.77/38,111.14
  6. Step 6: Final answer
    x = 23,884.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.