Home / 31,834.46-47,686.66-15,144

Finding the Fourth Proportional to 31,834.46, 47,686.66 and 15,144

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Solution

The fourth proportional to 31,834.46, 47,686.66 and 15,144 is: 22,685.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,834.46 : 47,686.66 = 15,144 : x
  2. Step 2: Convert to fraction form
    31,834.46/47,686.66 = 15,144/x
  3. Step 3: Cross multiply
    31,834.46x = 47,686.66 × 15,144
  4. Step 4: Simplify right side
    31,834.46x = 722,166,779.04
  5. Step 5: Solve for x
    x = 722,166,779.04/31,834.46
  6. Step 6: Final answer
    x = 22,685.06

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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.