Home / 40,489.74-60,677.51-19,119.65

Finding the Fourth Proportional to 40,489.74, 60,677.51 and 19,119.65

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Solution

The fourth proportional to 40,489.74, 60,677.51 and 19,119.65 is: 28,652.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,489.74 : 60,677.51 = 19,119.65 : x
  2. Step 2: Convert to fraction form
    40,489.74/60,677.51 = 19,119.65/x
  3. Step 3: Cross multiply
    40,489.74x = 60,677.51 × 19,119.65
  4. Step 4: Simplify right side
    40,489.74x = 1,160,132,355.09
  5. Step 5: Solve for x
    x = 1,160,132,355.09/40,489.74
  6. Step 6: Final answer
    x = 28,652.51

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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.