Home / 31,711.75-47,565.80-9,524.64

Finding the Fourth Proportional to 31,711.75, 47,565.80 and 9,524.64

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Solution

The fourth proportional to 31,711.75, 47,565.80 and 9,524.64 is: 14,286.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,711.75 : 47,565.80 = 9,524.64 : x
  2. Step 2: Convert to fraction form
    31,711.75/47,565.80 = 9,524.64/x
  3. Step 3: Cross multiply
    31,711.75x = 47,565.80 × 9,524.64
  4. Step 4: Simplify right side
    31,711.75x = 453,046,907.29
  5. Step 5: Solve for x
    x = 453,046,907.29/31,711.75
  6. Step 6: Final answer
    x = 14,286.41

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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.