Home / 54,319.64-81,492.20-16,877.78

Finding the Fourth Proportional to 54,319.64, 81,492.20 and 16,877.78

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Solution

The fourth proportional to 54,319.64, 81,492.20 and 16,877.78 is: 25,320.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,319.64 : 81,492.20 = 16,877.78 : x
  2. Step 2: Convert to fraction form
    54,319.64/81,492.20 = 16,877.78/x
  3. Step 3: Cross multiply
    54,319.64x = 81,492.20 × 16,877.78
  4. Step 4: Simplify right side
    54,319.64x = 1,375,407,423.32
  5. Step 5: Solve for x
    x = 1,375,407,423.32/54,319.64
  6. Step 6: Final answer
    x = 25,320.63

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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.