Home / 54,243.04-81,363.72-19,182.88

Finding the Fourth Proportional to 54,243.04, 81,363.72 and 19,182.88

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Solution

The fourth proportional to 54,243.04, 81,363.72 and 19,182.88 is: 28,774.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,243.04 : 81,363.72 = 19,182.88 : x
  2. Step 2: Convert to fraction form
    54,243.04/81,363.72 = 19,182.88/x
  3. Step 3: Cross multiply
    54,243.04x = 81,363.72 × 19,182.88
  4. Step 4: Simplify right side
    54,243.04x = 1,560,790,477.11
  5. Step 5: Solve for x
    x = 1,560,790,477.11/54,243.04
  6. Step 6: Final answer
    x = 28,774.02

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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.