Home / 54,217.49-81,330.35-16,781.35

Finding the Fourth Proportional to 54,217.49, 81,330.35 and 16,781.35

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Solution

The fourth proportional to 54,217.49, 81,330.35 and 16,781.35 is: 25,173.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,217.49 : 81,330.35 = 16,781.35 : x
  2. Step 2: Convert to fraction form
    54,217.49/81,330.35 = 16,781.35/x
  3. Step 3: Cross multiply
    54,217.49x = 81,330.35 × 16,781.35
  4. Step 4: Simplify right side
    54,217.49x = 1,364,833,068.97
  5. Step 5: Solve for x
    x = 1,364,833,068.97/54,217.49
  6. Step 6: Final answer
    x = 25,173.30

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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.