Home / 31,812.30-47,718.45-24,453.90

Finding the Fourth Proportional to 31,812.30, 47,718.45 and 24,453.90

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Solution

The fourth proportional to 31,812.30, 47,718.45 and 24,453.90 is: 36,680.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,812.30 : 47,718.45 = 24,453.90 : x
  2. Step 2: Convert to fraction form
    31,812.30/47,718.45 = 24,453.90/x
  3. Step 3: Cross multiply
    31,812.30x = 47,718.45 × 24,453.90
  4. Step 4: Simplify right side
    31,812.30x = 1,166,902,204.46
  5. Step 5: Solve for x
    x = 1,166,902,204.46/31,812.30
  6. Step 6: Final answer
    x = 36,680.85

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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.