Home / 31,531.62-47,304.86-9,345.18

Finding the Fourth Proportional to 31,531.62, 47,304.86 and 9,345.18

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Solution

The fourth proportional to 31,531.62, 47,304.86 and 9,345.18 is: 14,019.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,531.62 : 47,304.86 = 9,345.18 : x
  2. Step 2: Convert to fraction form
    31,531.62/47,304.86 = 9,345.18/x
  3. Step 3: Cross multiply
    31,531.62x = 47,304.86 × 9,345.18
  4. Step 4: Simplify right side
    31,531.62x = 442,072,384.85
  5. Step 5: Solve for x
    x = 442,072,384.85/31,531.62
  6. Step 6: Final answer
    x = 14,019.97

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1.5x scale

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.