Home / 57,024.13-78,691.90-31,529.85

Finding the Fourth Proportional to 57,024.13, 78,691.90 and 31,529.85

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Solution

The fourth proportional to 57,024.13, 78,691.90 and 31,529.85 is: 43,510.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,024.13 : 78,691.90 = 31,529.85 : x
  2. Step 2: Convert to fraction form
    57,024.13/78,691.90 = 31,529.85/x
  3. Step 3: Cross multiply
    57,024.13x = 78,691.90 × 31,529.85
  4. Step 4: Simplify right side
    57,024.13x = 2,481,143,803.22
  5. Step 5: Solve for x
    x = 2,481,143,803.22/57,024.13
  6. Step 6: Final answer
    x = 43,510.42

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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.