Home / 54,985.60-82,519.87-40,232.58

Finding the Fourth Proportional to 54,985.60, 82,519.87 and 40,232.58

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Solution

The fourth proportional to 54,985.60, 82,519.87 and 40,232.58 is: 60,379.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,985.60 : 82,519.87 = 40,232.58 : x
  2. Step 2: Convert to fraction form
    54,985.60/82,519.87 = 40,232.58/x
  3. Step 3: Cross multiply
    54,985.60x = 82,519.87 × 40,232.58
  4. Step 4: Simplify right side
    54,985.60x = 3,319,987,070.20
  5. Step 5: Solve for x
    x = 3,319,987,070.20/54,985.60
  6. Step 6: Final answer
    x = 60,379.21

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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.