Home / 39,876.20-59,814.30-34,335.80

Finding the Fourth Proportional to 39,876.20, 59,814.30 and 34,335.80

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Solution

The fourth proportional to 39,876.20, 59,814.30 and 34,335.80 is: 51,503.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,876.20 : 59,814.30 = 34,335.80 : x
  2. Step 2: Convert to fraction form
    39,876.20/59,814.30 = 34,335.80/x
  3. Step 3: Cross multiply
    39,876.20x = 59,814.30 × 34,335.80
  4. Step 4: Simplify right side
    39,876.20x = 2,053,771,841.94
  5. Step 5: Solve for x
    x = 2,053,771,841.94/39,876.20
  6. Step 6: Final answer
    x = 51,503.70

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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.