Home / 38,747.96-58,116.45-12,449.30

Finding the Fourth Proportional to 38,747.96, 58,116.45 and 12,449.30

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Solution

The fourth proportional to 38,747.96, 58,116.45 and 12,449.30 is: 18,672.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,747.96 : 58,116.45 = 12,449.30 : x
  2. Step 2: Convert to fraction form
    38,747.96/58,116.45 = 12,449.30/x
  3. Step 3: Cross multiply
    38,747.96x = 58,116.45 × 12,449.30
  4. Step 4: Simplify right side
    38,747.96x = 723,509,120.99
  5. Step 5: Solve for x
    x = 723,509,120.99/38,747.96
  6. Step 6: Final answer
    x = 18,672.19

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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.