Home / 60,839.96-91,260.14-18,719.75

Finding the Fourth Proportional to 60,839.96, 91,260.14 and 18,719.75

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Solution

The fourth proportional to 60,839.96, 91,260.14 and 18,719.75 is: 28,079.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,839.96 : 91,260.14 = 18,719.75 : x
  2. Step 2: Convert to fraction form
    60,839.96/91,260.14 = 18,719.75/x
  3. Step 3: Cross multiply
    60,839.96x = 91,260.14 × 18,719.75
  4. Step 4: Simplify right side
    60,839.96x = 1,708,366,455.87
  5. Step 5: Solve for x
    x = 1,708,366,455.87/60,839.96
  6. Step 6: Final answer
    x = 28,079.68

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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.