Home / 54,387.54-75,056.13-30,514.86

Finding the Fourth Proportional to 54,387.54, 75,056.13 and 30,514.86

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Solution

The fourth proportional to 54,387.54, 75,056.13 and 30,514.86 is: 42,111.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,387.54 : 75,056.13 = 30,514.86 : x
  2. Step 2: Convert to fraction form
    54,387.54/75,056.13 = 30,514.86/x
  3. Step 3: Cross multiply
    54,387.54x = 75,056.13 × 30,514.86
  4. Step 4: Simplify right side
    54,387.54x = 2,290,327,299.09
  5. Step 5: Solve for x
    x = 2,290,327,299.09/54,387.54
  6. Step 6: Final answer
    x = 42,111.25

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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.