Home / 52,191.97-78,187.18-31,148.80

Finding the Fourth Proportional to 52,191.97, 78,187.18 and 31,148.80

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Solution

The fourth proportional to 52,191.97, 78,187.18 and 31,148.80 is: 46,663.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,191.97 : 78,187.18 = 31,148.80 : x
  2. Step 2: Convert to fraction form
    52,191.97/78,187.18 = 31,148.80/x
  3. Step 3: Cross multiply
    52,191.97x = 78,187.18 × 31,148.80
  4. Step 4: Simplify right side
    52,191.97x = 2,435,436,832.38
  5. Step 5: Solve for x
    x = 2,435,436,832.38/52,191.97
  6. Step 6: Final answer
    x = 46,663.06

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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.