Home / 40,155.65-60,260.72-21,449.12

Finding the Fourth Proportional to 40,155.65, 60,260.72 and 21,449.12

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Solution

The fourth proportional to 40,155.65, 60,260.72 and 21,449.12 is: 32,188.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,155.65 : 60,260.72 = 21,449.12 : x
  2. Step 2: Convert to fraction form
    40,155.65/60,260.72 = 21,449.12/x
  3. Step 3: Cross multiply
    40,155.65x = 60,260.72 × 21,449.12
  4. Step 4: Simplify right side
    40,155.65x = 1,292,539,006.02
  5. Step 5: Solve for x
    x = 1,292,539,006.02/40,155.65
  6. Step 6: Final answer
    x = 32,188.22

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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.