Home / 31,866.18-47,815.34-22,565.96

Finding the Fourth Proportional to 31,866.18, 47,815.34 and 22,565.96

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Solution

The fourth proportional to 31,866.18, 47,815.34 and 22,565.96 is: 33,860.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,866.18 : 47,815.34 = 22,565.96 : x
  2. Step 2: Convert to fraction form
    31,866.18/47,815.34 = 22,565.96/x
  3. Step 3: Cross multiply
    31,866.18x = 47,815.34 × 22,565.96
  4. Step 4: Simplify right side
    31,866.18x = 1,078,999,049.83
  5. Step 5: Solve for x
    x = 1,078,999,049.83/31,866.18
  6. Step 6: Final answer
    x = 33,860.32

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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.