Home / 54,554.48-75,279.05-30,680.64

Finding the Fourth Proportional to 54,554.48, 75,279.05 and 30,680.64

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Solution

The fourth proportional to 54,554.48, 75,279.05 and 30,680.64 is: 42,335.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,554.48 : 75,279.05 = 30,680.64 : x
  2. Step 2: Convert to fraction form
    54,554.48/75,279.05 = 30,680.64/x
  3. Step 3: Cross multiply
    54,554.48x = 75,279.05 × 30,680.64
  4. Step 4: Simplify right side
    54,554.48x = 2,309,609,056.20
  5. Step 5: Solve for x
    x = 2,309,609,056.20/54,554.48
  6. Step 6: Final answer
    x = 42,335.83

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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.