Home / 40,542.88-60,812.52-12,461.80

Finding the Fourth Proportional to 40,542.88, 60,812.52 and 12,461.80

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Solution

The fourth proportional to 40,542.88, 60,812.52 and 12,461.80 is: 18,692.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,542.88 : 60,812.52 = 12,461.80 : x
  2. Step 2: Convert to fraction form
    40,542.88/60,812.52 = 12,461.80/x
  3. Step 3: Cross multiply
    40,542.88x = 60,812.52 × 12,461.80
  4. Step 4: Simplify right side
    40,542.88x = 757,833,461.74
  5. Step 5: Solve for x
    x = 757,833,461.74/40,542.88
  6. Step 6: Final answer
    x = 18,692.15

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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.