Home / 54,281.56-81,427.20-14,838.88

Finding the Fourth Proportional to 54,281.56, 81,427.20 and 14,838.88

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Solution

The fourth proportional to 54,281.56, 81,427.20 and 14,838.88 is: 22,259.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,281.56 : 81,427.20 = 14,838.88 : x
  2. Step 2: Convert to fraction form
    54,281.56/81,427.20 = 14,838.88/x
  3. Step 3: Cross multiply
    54,281.56x = 81,427.20 × 14,838.88
  4. Step 4: Simplify right side
    54,281.56x = 1,208,288,449.54
  5. Step 5: Solve for x
    x = 1,208,288,449.54/54,281.56
  6. Step 6: Final answer
    x = 22,259.65

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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.