Home / 54,330.76-81,508.38-19,270.36

Finding the Fourth Proportional to 54,330.76, 81,508.38 and 19,270.36

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Solution

The fourth proportional to 54,330.76, 81,508.38 and 19,270.36 is: 28,909.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,330.76 : 81,508.38 = 19,270.36 : x
  2. Step 2: Convert to fraction form
    54,330.76/81,508.38 = 19,270.36/x
  3. Step 3: Cross multiply
    54,330.76x = 81,508.38 × 19,270.36
  4. Step 4: Simplify right side
    54,330.76x = 1,570,695,825.62
  5. Step 5: Solve for x
    x = 1,570,695,825.62/54,330.76
  6. Step 6: Final answer
    x = 28,909.88

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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.