Home / 57,060.57-78,737.54-31,562.90

Finding the Fourth Proportional to 57,060.57, 78,737.54 and 31,562.90

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Solution

The fourth proportional to 57,060.57, 78,737.54 and 31,562.90 is: 43,553.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,060.57 : 78,737.54 = 31,562.90 : x
  2. Step 2: Convert to fraction form
    57,060.57/78,737.54 = 31,562.90/x
  3. Step 3: Cross multiply
    57,060.57x = 78,737.54 × 31,562.90
  4. Step 4: Simplify right side
    57,060.57x = 2,485,184,549.76
  5. Step 5: Solve for x
    x = 2,485,184,549.76/57,060.57
  6. Step 6: Final answer
    x = 43,553.45

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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.