Home / 56,250.80-77,631.24-31,105.04

Finding the Fourth Proportional to 56,250.80, 77,631.24 and 31,105.04

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Solution

The fourth proportional to 56,250.80, 77,631.24 and 31,105.04 is: 42,927.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,250.80 : 77,631.24 = 31,105.04 : x
  2. Step 2: Convert to fraction form
    56,250.80/77,631.24 = 31,105.04/x
  3. Step 3: Cross multiply
    56,250.80x = 77,631.24 × 31,105.04
  4. Step 4: Simplify right side
    56,250.80x = 2,414,722,825.45
  5. Step 5: Solve for x
    x = 2,414,722,825.45/56,250.80
  6. Step 6: Final answer
    x = 42,927.80

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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.