Home / 31,340.52-47,018.88-11,624.72

Finding the Fourth Proportional to 31,340.52, 47,018.88 and 11,624.72

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Solution

The fourth proportional to 31,340.52, 47,018.88 and 11,624.72 is: 17,440.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,340.52 : 47,018.88 = 11,624.72 : x
  2. Step 2: Convert to fraction form
    31,340.52/47,018.88 = 11,624.72/x
  3. Step 3: Cross multiply
    31,340.52x = 47,018.88 × 11,624.72
  4. Step 4: Simplify right side
    31,340.52x = 546,581,079.62
  5. Step 5: Solve for x
    x = 546,581,079.62/31,340.52
  6. Step 6: Final answer
    x = 17,440.08

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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.