Home / 54,707.38-82,061.07-42,245.59

Finding the Fourth Proportional to 54,707.38, 82,061.07 and 42,245.59

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Solution

The fourth proportional to 54,707.38, 82,061.07 and 42,245.59 is: 63,368.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,707.38 : 82,061.07 = 42,245.59 : x
  2. Step 2: Convert to fraction form
    54,707.38/82,061.07 = 42,245.59/x
  3. Step 3: Cross multiply
    54,707.38x = 82,061.07 × 42,245.59
  4. Step 4: Simplify right side
    54,707.38x = 3,466,718,318.18
  5. Step 5: Solve for x
    x = 3,466,718,318.18/54,707.38
  6. Step 6: Final answer
    x = 63,368.39

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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.