Home / 67,045.22-100,580.13-31,984.88

Finding the Fourth Proportional to 67,045.22, 100,580.13 and 31,984.88

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Solution

The fourth proportional to 67,045.22, 100,580.13 and 31,984.88 is: 47,983.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,045.22 : 100,580.13 = 31,984.88 : x
  2. Step 2: Convert to fraction form
    67,045.22/100,580.13 = 31,984.88/x
  3. Step 3: Cross multiply
    67,045.22x = 100,580.13 × 31,984.88
  4. Step 4: Simplify right side
    67,045.22x = 3,217,042,885.53
  5. Step 5: Solve for x
    x = 3,217,042,885.53/67,045.22
  6. Step 6: Final answer
    x = 47,983.18

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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.