Home / 31,580.29-47,362.20-9,387.71

Finding the Fourth Proportional to 31,580.29, 47,362.20 and 9,387.71

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Solution

The fourth proportional to 31,580.29, 47,362.20 and 9,387.71 is: 14,079.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,580.29 : 47,362.20 = 9,387.71 : x
  2. Step 2: Convert to fraction form
    31,580.29/47,362.20 = 9,387.71/x
  3. Step 3: Cross multiply
    31,580.29x = 47,362.20 × 9,387.71
  4. Step 4: Simplify right side
    31,580.29x = 444,622,598.56
  5. Step 5: Solve for x
    x = 444,622,598.56/31,580.29
  6. Step 6: Final answer
    x = 14,079.12

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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.