Home / 38,624.30-57,947.46-12,331.10

Finding the Fourth Proportional to 38,624.30, 57,947.46 and 12,331.10

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Solution

The fourth proportional to 38,624.30, 57,947.46 and 12,331.10 is: 18,500.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,624.30 : 57,947.46 = 12,331.10 : x
  2. Step 2: Convert to fraction form
    38,624.30/57,947.46 = 12,331.10/x
  3. Step 3: Cross multiply
    38,624.30x = 57,947.46 × 12,331.10
  4. Step 4: Simplify right side
    38,624.30x = 714,555,924.01
  5. Step 5: Solve for x
    x = 714,555,924.01/38,624.30
  6. Step 6: Final answer
    x = 18,500.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.