Home / 31,766.08-47,649.84-12,053.92

Finding the Fourth Proportional to 31,766.08, 47,649.84 and 12,053.92

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Solution

The fourth proportional to 31,766.08, 47,649.84 and 12,053.92 is: 18,081.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,766.08 : 47,649.84 = 12,053.92 : x
  2. Step 2: Convert to fraction form
    31,766.08/47,649.84 = 12,053.92/x
  3. Step 3: Cross multiply
    31,766.08x = 47,649.84 × 12,053.92
  4. Step 4: Simplify right side
    31,766.08x = 574,367,359.37
  5. Step 5: Solve for x
    x = 574,367,359.37/31,766.08
  6. Step 6: Final answer
    x = 18,081.15

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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.