Home / 31,920.59-47,816.17-14,799.42

Finding the Fourth Proportional to 31,920.59, 47,816.17 and 14,799.42

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Solution

The fourth proportional to 31,920.59, 47,816.17 and 14,799.42 is: 22,169.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,920.59 : 47,816.17 = 14,799.42 : x
  2. Step 2: Convert to fraction form
    31,920.59/47,816.17 = 14,799.42/x
  3. Step 3: Cross multiply
    31,920.59x = 47,816.17 × 14,799.42
  4. Step 4: Simplify right side
    31,920.59x = 707,651,582.62
  5. Step 5: Solve for x
    x = 707,651,582.62/31,920.59
  6. Step 6: Final answer
    x = 22,169.13

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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.