Home / 57,041.12-78,715.44-31,892.96

Finding the Fourth Proportional to 57,041.12, 78,715.44 and 31,892.96

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Solution

The fourth proportional to 57,041.12, 78,715.44 and 31,892.96 is: 44,011.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,041.12 : 78,715.44 = 31,892.96 : x
  2. Step 2: Convert to fraction form
    57,041.12/78,715.44 = 31,892.96/x
  3. Step 3: Cross multiply
    57,041.12x = 78,715.44 × 31,892.96
  4. Step 4: Simplify right side
    57,041.12x = 2,510,468,379.30
  5. Step 5: Solve for x
    x = 2,510,468,379.30/57,041.12
  6. Step 6: Final answer
    x = 44,011.55

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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.