Home / 55,008.57-75,909.86-31,134.73

Finding the Fourth Proportional to 55,008.57, 75,909.86 and 31,134.73

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Solution

The fourth proportional to 55,008.57, 75,909.86 and 31,134.73 is: 42,964.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,008.57 : 75,909.86 = 31,134.73 : x
  2. Step 2: Convert to fraction form
    55,008.57/75,909.86 = 31,134.73/x
  3. Step 3: Cross multiply
    55,008.57x = 75,909.86 × 31,134.73
  4. Step 4: Simplify right side
    55,008.57x = 2,363,433,168.16
  5. Step 5: Solve for x
    x = 2,363,433,168.16/55,008.57
  6. Step 6: Final answer
    x = 42,964.82

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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.