Home / 56,624.91-78,140.46-31,473.87

Finding the Fourth Proportional to 56,624.91, 78,140.46 and 31,473.87

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Solution

The fourth proportional to 56,624.91, 78,140.46 and 31,473.87 is: 43,432.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,624.91 : 78,140.46 = 31,473.87 : x
  2. Step 2: Convert to fraction form
    56,624.91/78,140.46 = 31,473.87/x
  3. Step 3: Cross multiply
    56,624.91x = 78,140.46 × 31,473.87
  4. Step 4: Simplify right side
    56,624.91x = 2,459,382,679.78
  5. Step 5: Solve for x
    x = 2,459,382,679.78/56,624.91
  6. Step 6: Final answer
    x = 43,432.88

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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.