Home / 54,480.26-75,178.71-30,610.91

Finding the Fourth Proportional to 54,480.26, 75,178.71 and 30,610.91

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Solution

The fourth proportional to 54,480.26, 75,178.71 and 30,610.91 is: 42,240.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,480.26 : 75,178.71 = 30,610.91 : x
  2. Step 2: Convert to fraction form
    54,480.26/75,178.71 = 30,610.91/x
  3. Step 3: Cross multiply
    54,480.26x = 75,178.71 × 30,610.91
  4. Step 4: Simplify right side
    54,480.26x = 2,301,288,349.83
  5. Step 5: Solve for x
    x = 2,301,288,349.83/54,480.26
  6. Step 6: Final answer
    x = 42,240.78

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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.