Home / 54,642.80-81,964.20-15,199.95

Finding the Fourth Proportional to 54,642.80, 81,964.20 and 15,199.95

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Solution

The fourth proportional to 54,642.80, 81,964.20 and 15,199.95 is: 22,799.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,642.80 : 81,964.20 = 15,199.95 : x
  2. Step 2: Convert to fraction form
    54,642.80/81,964.20 = 15,199.95/x
  3. Step 3: Cross multiply
    54,642.80x = 81,964.20 × 15,199.95
  4. Step 4: Simplify right side
    54,642.80x = 1,245,852,106.16
  5. Step 5: Solve for x
    x = 1,245,852,106.16/54,642.80
  6. Step 6: Final answer
    x = 22,799.93

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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.