Home / 54,327.69-81,449.61-20,593.21

Finding the Fourth Proportional to 54,327.69, 81,449.61 and 20,593.21

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Solution

The fourth proportional to 54,327.69, 81,449.61 and 20,593.21 is: 30,873.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,327.69 : 81,449.61 = 20,593.21 : x
  2. Step 2: Convert to fraction form
    54,327.69/81,449.61 = 20,593.21/x
  3. Step 3: Cross multiply
    54,327.69x = 81,449.61 × 20,593.21
  4. Step 4: Simplify right side
    54,327.69x = 1,677,309,024.96
  5. Step 5: Solve for x
    x = 1,677,309,024.96/54,327.69
  6. Step 6: Final answer
    x = 30,873.93

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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.