Home / 54,561.49-81,842.34-15,118.72

Finding the Fourth Proportional to 54,561.49, 81,842.34 and 15,118.72

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Solution

The fourth proportional to 54,561.49, 81,842.34 and 15,118.72 is: 22,678.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,561.49 : 81,842.34 = 15,118.72 : x
  2. Step 2: Convert to fraction form
    54,561.49/81,842.34 = 15,118.72/x
  3. Step 3: Cross multiply
    54,561.49x = 81,842.34 × 15,118.72
  4. Step 4: Simplify right side
    54,561.49x = 1,237,351,422.60
  5. Step 5: Solve for x
    x = 1,237,351,422.60/54,561.49
  6. Step 6: Final answer
    x = 22,678.11

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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.