Home / 51,542.13-77,312.16-16,481.78

Finding the Fourth Proportional to 51,542.13, 77,312.16 and 16,481.78

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Solution

The fourth proportional to 51,542.13, 77,312.16 and 16,481.78 is: 24,722.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,542.13 : 77,312.16 = 16,481.78 : x
  2. Step 2: Convert to fraction form
    51,542.13/77,312.16 = 16,481.78/x
  3. Step 3: Cross multiply
    51,542.13x = 77,312.16 × 16,481.78
  4. Step 4: Simplify right side
    51,542.13x = 1,274,241,625.88
  5. Step 5: Solve for x
    x = 1,274,241,625.88/51,542.13
  6. Step 6: Final answer
    x = 24,722.33

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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.