Home / 31,468.29-47,202.56-12,748.68

Finding the Fourth Proportional to 31,468.29, 47,202.56 and 12,748.68

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Solution

The fourth proportional to 31,468.29, 47,202.56 and 12,748.68 is: 19,123.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,468.29 : 47,202.56 = 12,748.68 : x
  2. Step 2: Convert to fraction form
    31,468.29/47,202.56 = 12,748.68/x
  3. Step 3: Cross multiply
    31,468.29x = 47,202.56 × 12,748.68
  4. Step 4: Simplify right side
    31,468.29x = 601,770,332.62
  5. Step 5: Solve for x
    x = 601,770,332.62/31,468.29
  6. Step 6: Final answer
    x = 19,123.07

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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.