Home / 56,577.20-84,878.04-21,517.52

Finding the Fourth Proportional to 56,577.20, 84,878.04 and 21,517.52

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Solution

The fourth proportional to 56,577.20, 84,878.04 and 21,517.52 is: 32,280.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,577.20 : 84,878.04 = 21,517.52 : x
  2. Step 2: Convert to fraction form
    56,577.20/84,878.04 = 21,517.52/x
  3. Step 3: Cross multiply
    56,577.20x = 84,878.04 × 21,517.52
  4. Step 4: Simplify right side
    56,577.20x = 1,826,364,923.26
  5. Step 5: Solve for x
    x = 1,826,364,923.26/56,577.20
  6. Step 6: Final answer
    x = 32,280.94

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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.