Home / 54,186.98-81,250.76-30,178.58

Finding the Fourth Proportional to 54,186.98, 81,250.76 and 30,178.58

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Solution

The fourth proportional to 54,186.98, 81,250.76 and 30,178.58 is: 45,251.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,186.98 : 81,250.76 = 30,178.58 : x
  2. Step 2: Convert to fraction form
    54,186.98/81,250.76 = 30,178.58/x
  3. Step 3: Cross multiply
    54,186.98x = 81,250.76 × 30,178.58
  4. Step 4: Simplify right side
    54,186.98x = 2,452,032,229.91
  5. Step 5: Solve for x
    x = 2,452,032,229.91/54,186.98
  6. Step 6: Final answer
    x = 45,251.32

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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.