Home / 54,431.52-75,111.46-30,561.85

Finding the Fourth Proportional to 54,431.52, 75,111.46 and 30,561.85

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Solution

The fourth proportional to 54,431.52, 75,111.46 and 30,561.85 is: 42,173.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,431.52 : 75,111.46 = 30,561.85 : x
  2. Step 2: Convert to fraction form
    54,431.52/75,111.46 = 30,561.85/x
  3. Step 3: Cross multiply
    54,431.52x = 75,111.46 × 30,561.85
  4. Step 4: Simplify right side
    54,431.52x = 2,295,545,173.80
  5. Step 5: Solve for x
    x = 2,295,545,173.80/54,431.52
  6. Step 6: Final answer
    x = 42,173.09

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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.