Home / 54,381.04-75,046.34-30,508.22

Finding the Fourth Proportional to 54,381.04, 75,046.34 and 30,508.22

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Solution

The fourth proportional to 54,381.04, 75,046.34 and 30,508.22 is: 42,101.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,381.04 : 75,046.34 = 30,508.22 : x
  2. Step 2: Convert to fraction form
    54,381.04/75,046.34 = 30,508.22/x
  3. Step 3: Cross multiply
    54,381.04x = 75,046.34 × 30,508.22
  4. Step 4: Simplify right side
    54,381.04x = 2,289,530,514.80
  5. Step 5: Solve for x
    x = 2,289,530,514.80/54,381.04
  6. Step 6: Final answer
    x = 42,101.63

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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.