Home / 40,489.27-60,619.38-21,470.57

Finding the Fourth Proportional to 40,489.27, 60,619.38 and 21,470.57

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Solution

The fourth proportional to 40,489.27, 60,619.38 and 21,470.57 is: 32,145.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,489.27 : 60,619.38 = 21,470.57 : x
  2. Step 2: Convert to fraction form
    40,489.27/60,619.38 = 21,470.57/x
  3. Step 3: Cross multiply
    40,489.27x = 60,619.38 × 21,470.57
  4. Step 4: Simplify right side
    40,489.27x = 1,301,532,641.65
  5. Step 5: Solve for x
    x = 1,301,532,641.65/40,489.27
  6. Step 6: Final answer
    x = 32,145.12

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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.