Home / 54,417.62-81,595.79-18,862.28

Finding the Fourth Proportional to 54,417.62, 81,595.79 and 18,862.28

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Solution

The fourth proportional to 54,417.62, 81,595.79 and 18,862.28 is: 28,282.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,417.62 : 81,595.79 = 18,862.28 : x
  2. Step 2: Convert to fraction form
    54,417.62/81,595.79 = 18,862.28/x
  3. Step 3: Cross multiply
    54,417.62x = 81,595.79 × 18,862.28
  4. Step 4: Simplify right side
    54,417.62x = 1,539,082,276.98
  5. Step 5: Solve for x
    x = 1,539,082,276.98/54,417.62
  6. Step 6: Final answer
    x = 28,282.80

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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.