Home / 31,337.80-46,982.04-15,531.96

Finding the Fourth Proportional to 31,337.80, 46,982.04 and 15,531.96

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Solution

The fourth proportional to 31,337.80, 46,982.04 and 15,531.96 is: 23,285.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,337.80 : 46,982.04 = 15,531.96 : x
  2. Step 2: Convert to fraction form
    31,337.80/46,982.04 = 15,531.96/x
  3. Step 3: Cross multiply
    31,337.80x = 46,982.04 × 15,531.96
  4. Step 4: Simplify right side
    31,337.80x = 729,723,166.00
  5. Step 5: Solve for x
    x = 729,723,166.00/31,337.80
  6. Step 6: Final answer
    x = 23,285.72

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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.