Home / 54,945.70-82,418.55-15,502.30

Finding the Fourth Proportional to 54,945.70, 82,418.55 and 15,502.30

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Solution

The fourth proportional to 54,945.70, 82,418.55 and 15,502.30 is: 23,253.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,945.70 : 82,418.55 = 15,502.30 : x
  2. Step 2: Convert to fraction form
    54,945.70/82,418.55 = 15,502.30/x
  3. Step 3: Cross multiply
    54,945.70x = 82,418.55 × 15,502.30
  4. Step 4: Simplify right side
    54,945.70x = 1,277,677,087.67
  5. Step 5: Solve for x
    x = 1,277,677,087.67/54,945.70
  6. Step 6: Final answer
    x = 23,253.45

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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.