Home / 54,317.18-81,472.28-18,777.52

Finding the Fourth Proportional to 54,317.18, 81,472.28 and 18,777.52

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Solution

The fourth proportional to 54,317.18, 81,472.28 and 18,777.52 is: 28,165.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,317.18 : 81,472.28 = 18,777.52 : x
  2. Step 2: Convert to fraction form
    54,317.18/81,472.28 = 18,777.52/x
  3. Step 3: Cross multiply
    54,317.18x = 81,472.28 × 18,777.52
  4. Step 4: Simplify right side
    54,317.18x = 1,529,847,480.72
  5. Step 5: Solve for x
    x = 1,529,847,480.72/54,317.18
  6. Step 6: Final answer
    x = 28,165.07

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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.