Home / 48,178.57-72,268.31-21,525.90

Finding the Fourth Proportional to 48,178.57, 72,268.31 and 21,525.90

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Solution

The fourth proportional to 48,178.57, 72,268.31 and 21,525.90 is: 32,289.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,178.57 : 72,268.31 = 21,525.90 : x
  2. Step 2: Convert to fraction form
    48,178.57/72,268.31 = 21,525.90/x
  3. Step 3: Cross multiply
    48,178.57x = 72,268.31 × 21,525.90
  4. Step 4: Simplify right side
    48,178.57x = 1,555,640,414.23
  5. Step 5: Solve for x
    x = 1,555,640,414.23/48,178.57
  6. Step 6: Final answer
    x = 32,289.05

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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.