Home / 54,561.18-75,294.48-30,687.90

Finding the Fourth Proportional to 54,561.18, 75,294.48 and 30,687.90

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Solution

The fourth proportional to 54,561.18, 75,294.48 and 30,687.90 is: 42,349.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,561.18 : 75,294.48 = 30,687.90 : x
  2. Step 2: Convert to fraction form
    54,561.18/75,294.48 = 30,687.90/x
  3. Step 3: Cross multiply
    54,561.18x = 75,294.48 × 30,687.90
  4. Step 4: Simplify right side
    54,561.18x = 2,310,629,472.79
  5. Step 5: Solve for x
    x = 2,310,629,472.79/54,561.18
  6. Step 6: Final answer
    x = 42,349.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.