Home / 45,213.18-67,616.04-34,542.78

Finding the Fourth Proportional to 45,213.18, 67,616.04 and 34,542.78

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Solution

The fourth proportional to 45,213.18, 67,616.04 and 34,542.78 is: 51,658.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,213.18 : 67,616.04 = 34,542.78 : x
  2. Step 2: Convert to fraction form
    45,213.18/67,616.04 = 34,542.78/x
  3. Step 3: Cross multiply
    45,213.18x = 67,616.04 × 34,542.78
  4. Step 4: Simplify right side
    45,213.18x = 2,335,645,994.19
  5. Step 5: Solve for x
    x = 2,335,645,994.19/45,213.18
  6. Step 6: Final answer
    x = 51,658.52

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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.