Home / 31,771.96-47,642.50-9,581.20

Finding the Fourth Proportional to 31,771.96, 47,642.50 and 9,581.20

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Solution

The fourth proportional to 31,771.96, 47,642.50 and 9,581.20 is: 14,367.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,771.96 : 47,642.50 = 9,581.20 : x
  2. Step 2: Convert to fraction form
    31,771.96/47,642.50 = 9,581.20/x
  3. Step 3: Cross multiply
    31,771.96x = 47,642.50 × 9,581.20
  4. Step 4: Simplify right side
    31,771.96x = 456,472,321.00
  5. Step 5: Solve for x
    x = 456,472,321.00/31,771.96
  6. Step 6: Final answer
    x = 14,367.14

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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.