Home / 56,732.70-78,293.25-31,240.17

Finding the Fourth Proportional to 56,732.70, 78,293.25 and 31,240.17

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Solution

The fourth proportional to 56,732.70, 78,293.25 and 31,240.17 is: 43,112.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,732.70 : 78,293.25 = 31,240.17 : x
  2. Step 2: Convert to fraction form
    56,732.70/78,293.25 = 31,240.17/x
  3. Step 3: Cross multiply
    56,732.70x = 78,293.25 × 31,240.17
  4. Step 4: Simplify right side
    56,732.70x = 2,445,894,439.85
  5. Step 5: Solve for x
    x = 2,445,894,439.85/56,732.70
  6. Step 6: Final answer
    x = 43,112.60

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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.