Home / 61,677.28-85,114-34,819.20

Finding the Fourth Proportional to 61,677.28, 85,114 and 34,819.20

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Solution

The fourth proportional to 61,677.28, 85,114 and 34,819.20 is: 48,050.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,677.28 : 85,114 = 34,819.20 : x
  2. Step 2: Convert to fraction form
    61,677.28/85,114 = 34,819.20/x
  3. Step 3: Cross multiply
    61,677.28x = 85,114 × 34,819.20
  4. Step 4: Simplify right side
    61,677.28x = 2,963,601,388.80
  5. Step 5: Solve for x
    x = 2,963,601,388.80/61,677.28
  6. Step 6: Final answer
    x = 48,050.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.