Home / 55,972.74-77,238.12-31,770.85

Finding the Fourth Proportional to 55,972.74, 77,238.12 and 31,770.85

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Solution

The fourth proportional to 55,972.74, 77,238.12 and 31,770.85 is: 43,841.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,972.74 : 77,238.12 = 31,770.85 : x
  2. Step 2: Convert to fraction form
    55,972.74/77,238.12 = 31,770.85/x
  3. Step 3: Cross multiply
    55,972.74x = 77,238.12 × 31,770.85
  4. Step 4: Simplify right side
    55,972.74x = 2,453,920,724.80
  5. Step 5: Solve for x
    x = 2,453,920,724.80/55,972.74
  6. Step 6: Final answer
    x = 43,841.35

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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.