Home / 31,468.48-47,231.89-15,897.04

Finding the Fourth Proportional to 31,468.48, 47,231.89 and 15,897.04

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Solution

The fourth proportional to 31,468.48, 47,231.89 and 15,897.04 is: 23,860.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,468.48 : 47,231.89 = 15,897.04 : x
  2. Step 2: Convert to fraction form
    31,468.48/47,231.89 = 15,897.04/x
  3. Step 3: Cross multiply
    31,468.48x = 47,231.89 × 15,897.04
  4. Step 4: Simplify right side
    31,468.48x = 750,847,244.61
  5. Step 5: Solve for x
    x = 750,847,244.61/31,468.48
  6. Step 6: Final answer
    x = 23,860.30

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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.