Home / 56,401.74-77,834.52-31,251.24

Finding the Fourth Proportional to 56,401.74, 77,834.52 and 31,251.24

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Solution

The fourth proportional to 56,401.74, 77,834.52 and 31,251.24 is: 43,126.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,401.74 : 77,834.52 = 31,251.24 : x
  2. Step 2: Convert to fraction form
    56,401.74/77,834.52 = 31,251.24/x
  3. Step 3: Cross multiply
    56,401.74x = 77,834.52 × 31,251.24
  4. Step 4: Simplify right side
    56,401.74x = 2,432,425,264.80
  5. Step 5: Solve for x
    x = 2,432,425,264.80/56,401.74
  6. Step 6: Final answer
    x = 43,126.78

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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.