Home / 54,623.52-81,909.36-28,301.76

Finding the Fourth Proportional to 54,623.52, 81,909.36 and 28,301.76

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Solution

The fourth proportional to 54,623.52, 81,909.36 and 28,301.76 is: 42,439.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,623.52 : 81,909.36 = 28,301.76 : x
  2. Step 2: Convert to fraction form
    54,623.52/81,909.36 = 28,301.76/x
  3. Step 3: Cross multiply
    54,623.52x = 81,909.36 × 28,301.76
  4. Step 4: Simplify right side
    54,623.52x = 2,318,179,048.47
  5. Step 5: Solve for x
    x = 2,318,179,048.47/54,623.52
  6. Step 6: Final answer
    x = 42,439.21

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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.