Home / 53,251.20-79,814.16-40,060.80

Finding the Fourth Proportional to 53,251.20, 79,814.16 and 40,060.80

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Solution

The fourth proportional to 53,251.20, 79,814.16 and 40,060.80 is: 60,044.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,251.20 : 79,814.16 = 40,060.80 : x
  2. Step 2: Convert to fraction form
    53,251.20/79,814.16 = 40,060.80/x
  3. Step 3: Cross multiply
    53,251.20x = 79,814.16 × 40,060.80
  4. Step 4: Simplify right side
    53,251.20x = 3,197,419,100.93
  5. Step 5: Solve for x
    x = 3,197,419,100.93/53,251.20
  6. Step 6: Final answer
    x = 60,044.08

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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.