Home / 54,521.95-81,782.65-14,540.85

Finding the Fourth Proportional to 54,521.95, 81,782.65 and 14,540.85

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Solution

The fourth proportional to 54,521.95, 81,782.65 and 14,540.85 is: 21,811.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,521.95 : 81,782.65 = 14,540.85 : x
  2. Step 2: Convert to fraction form
    54,521.95/81,782.65 = 14,540.85/x
  3. Step 3: Cross multiply
    54,521.95x = 81,782.65 × 14,540.85
  4. Step 4: Simplify right side
    54,521.95x = 1,189,189,246.25
  5. Step 5: Solve for x
    x = 1,189,189,246.25/54,521.95
  6. Step 6: Final answer
    x = 21,811.20

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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.