Home / 45,132.66-67,713.57-18,844.92

Finding the Fourth Proportional to 45,132.66, 67,713.57 and 18,844.92

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Solution

The fourth proportional to 45,132.66, 67,713.57 and 18,844.92 is: 28,273.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,132.66 : 67,713.57 = 18,844.92 : x
  2. Step 2: Convert to fraction form
    45,132.66/67,713.57 = 18,844.92/x
  3. Step 3: Cross multiply
    45,132.66x = 67,713.57 × 18,844.92
  4. Step 4: Simplify right side
    45,132.66x = 1,276,056,809.56
  5. Step 5: Solve for x
    x = 1,276,056,809.56/45,132.66
  6. Step 6: Final answer
    x = 28,273.47

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1.5x scale

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.