Home / 54,663.38-81,995.16-15,220.49

Finding the Fourth Proportional to 54,663.38, 81,995.16 and 15,220.49

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Solution

The fourth proportional to 54,663.38, 81,995.16 and 15,220.49 is: 22,830.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,663.38 : 81,995.16 = 15,220.49 : x
  2. Step 2: Convert to fraction form
    54,663.38/81,995.16 = 15,220.49/x
  3. Step 3: Cross multiply
    54,663.38x = 81,995.16 × 15,220.49
  4. Step 4: Simplify right side
    54,663.38x = 1,248,006,102.85
  5. Step 5: Solve for x
    x = 1,248,006,102.85/54,663.38
  6. Step 6: Final answer
    x = 22,830.75

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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.