Home / 54,250.56-81,278.64-19,167.84

Finding the Fourth Proportional to 54,250.56, 81,278.64 and 19,167.84

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Solution

The fourth proportional to 54,250.56, 81,278.64 and 19,167.84 is: 28,717.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,250.56 : 81,278.64 = 19,167.84 : x
  2. Step 2: Convert to fraction form
    54,250.56/81,278.64 = 19,167.84/x
  3. Step 3: Cross multiply
    54,250.56x = 81,278.64 × 19,167.84
  4. Step 4: Simplify right side
    54,250.56x = 1,557,935,966.94
  5. Step 5: Solve for x
    x = 1,557,935,966.94/54,250.56
  6. Step 6: Final answer
    x = 28,717.42

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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.