Home / 31,647.62-47,494.80-15,007.71

Finding the Fourth Proportional to 31,647.62, 47,494.80 and 15,007.71

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Solution

The fourth proportional to 31,647.62, 47,494.80 and 15,007.71 is: 22,522.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,647.62 : 47,494.80 = 15,007.71 : x
  2. Step 2: Convert to fraction form
    31,647.62/47,494.80 = 15,007.71/x
  3. Step 3: Cross multiply
    31,647.62x = 47,494.80 × 15,007.71
  4. Step 4: Simplify right side
    31,647.62x = 712,788,184.91
  5. Step 5: Solve for x
    x = 712,788,184.91/31,647.62
  6. Step 6: Final answer
    x = 22,522.65

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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.