Home / 40,217.98-60,307.44-12,132.85

Finding the Fourth Proportional to 40,217.98, 60,307.44 and 12,132.85

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Solution

The fourth proportional to 40,217.98, 60,307.44 and 12,132.85 is: 18,193.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,217.98 : 60,307.44 = 12,132.85 : x
  2. Step 2: Convert to fraction form
    40,217.98/60,307.44 = 12,132.85/x
  3. Step 3: Cross multiply
    40,217.98x = 60,307.44 × 12,132.85
  4. Step 4: Simplify right side
    40,217.98x = 731,701,123.40
  5. Step 5: Solve for x
    x = 731,701,123.40/40,217.98
  6. Step 6: Final answer
    x = 18,193.38

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1.5x scale

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.