Home / 67,558.07-101,351.60-20,176.90

Finding the Fourth Proportional to 67,558.07, 101,351.60 and 20,176.90

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Solution

The fourth proportional to 67,558.07, 101,351.60 and 20,176.90 is: 30,269.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,558.07 : 101,351.60 = 20,176.90 : x
  2. Step 2: Convert to fraction form
    67,558.07/101,351.60 = 20,176.90/x
  3. Step 3: Cross multiply
    67,558.07x = 101,351.60 × 20,176.90
  4. Step 4: Simplify right side
    67,558.07x = 2,044,961,098.04
  5. Step 5: Solve for x
    x = 2,044,961,098.04/67,558.07
  6. Step 6: Final answer
    x = 30,269.68

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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.