Home / 31,820.20-47,633.10-24,821.80

Finding the Fourth Proportional to 31,820.20, 47,633.10 and 24,821.80

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Solution

The fourth proportional to 31,820.20, 47,633.10 and 24,821.80 is: 37,156.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,820.20 : 47,633.10 = 24,821.80 : x
  2. Step 2: Convert to fraction form
    31,820.20/47,633.10 = 24,821.80/x
  3. Step 3: Cross multiply
    31,820.20x = 47,633.10 × 24,821.80
  4. Step 4: Simplify right side
    31,820.20x = 1,182,339,281.58
  5. Step 5: Solve for x
    x = 1,182,339,281.58/31,820.20
  6. Step 6: Final answer
    x = 37,156.88

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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.