Home / 54,939.22-75,816.12-29,788.72

Finding the Fourth Proportional to 54,939.22, 75,816.12 and 29,788.72

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Solution

The fourth proportional to 54,939.22, 75,816.12 and 29,788.72 is: 41,108.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,939.22 : 75,816.12 = 29,788.72 : x
  2. Step 2: Convert to fraction form
    54,939.22/75,816.12 = 29,788.72/x
  3. Step 3: Cross multiply
    54,939.22x = 75,816.12 × 29,788.72
  4. Step 4: Simplify right side
    54,939.22x = 2,258,465,170.17
  5. Step 5: Solve for x
    x = 2,258,465,170.17/54,939.22
  6. Step 6: Final answer
    x = 41,108.43

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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.