Home / 31,587.30-47,372.70-9,394.70

Finding the Fourth Proportional to 31,587.30, 47,372.70 and 9,394.70

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Solution

The fourth proportional to 31,587.30, 47,372.70 and 9,394.70 is: 14,089.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,587.30 : 47,372.70 = 9,394.70 : x
  2. Step 2: Convert to fraction form
    31,587.30/47,372.70 = 9,394.70/x
  3. Step 3: Cross multiply
    31,587.30x = 47,372.70 × 9,394.70
  4. Step 4: Simplify right side
    31,587.30x = 445,052,304.69
  5. Step 5: Solve for x
    x = 445,052,304.69/31,587.30
  6. Step 6: Final answer
    x = 14,089.60

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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.