Home / 57,759.66-86,666.76-40,017.60

Finding the Fourth Proportional to 57,759.66, 86,666.76 and 40,017.60

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Solution

The fourth proportional to 57,759.66, 86,666.76 and 40,017.60 is: 60,045.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,759.66 : 86,666.76 = 40,017.60 : x
  2. Step 2: Convert to fraction form
    57,759.66/86,666.76 = 40,017.60/x
  3. Step 3: Cross multiply
    57,759.66x = 86,666.76 × 40,017.60
  4. Step 4: Simplify right side
    57,759.66x = 3,468,195,734.98
  5. Step 5: Solve for x
    x = 3,468,195,734.98/57,759.66
  6. Step 6: Final answer
    x = 60,045.29

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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.