Home / 54,354.96-81,610.32-40,358.16

Finding the Fourth Proportional to 54,354.96, 81,610.32 and 40,358.16

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Solution

The fourth proportional to 54,354.96, 81,610.32 and 40,358.16 is: 60,595.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,354.96 : 81,610.32 = 40,358.16 : x
  2. Step 2: Convert to fraction form
    54,354.96/81,610.32 = 40,358.16/x
  3. Step 3: Cross multiply
    54,354.96x = 81,610.32 × 40,358.16
  4. Step 4: Simplify right side
    54,354.96x = 3,293,642,352.21
  5. Step 5: Solve for x
    x = 3,293,642,352.21/54,354.96
  6. Step 6: Final answer
    x = 60,595.07

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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.