Home / 31,473.90-47,199.85-9,281.39

Finding the Fourth Proportional to 31,473.90, 47,199.85 and 9,281.39

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Solution

The fourth proportional to 31,473.90, 47,199.85 and 9,281.39 is: 13,918.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,473.90 : 47,199.85 = 9,281.39 : x
  2. Step 2: Convert to fraction form
    31,473.90/47,199.85 = 9,281.39/x
  3. Step 3: Cross multiply
    31,473.90x = 47,199.85 × 9,281.39
  4. Step 4: Simplify right side
    31,473.90x = 438,079,956.59
  5. Step 5: Solve for x
    x = 438,079,956.59/31,473.90
  6. Step 6: Final answer
    x = 13,918.83

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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.