Home / 54,987.93-82,481.18-13,435.29

Finding the Fourth Proportional to 54,987.93, 82,481.18 and 13,435.29

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Solution

The fourth proportional to 54,987.93, 82,481.18 and 13,435.29 is: 20,152.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,987.93 : 82,481.18 = 13,435.29 : x
  2. Step 2: Convert to fraction form
    54,987.93/82,481.18 = 13,435.29/x
  3. Step 3: Cross multiply
    54,987.93x = 82,481.18 × 13,435.29
  4. Step 4: Simplify right side
    54,987.93x = 1,108,158,505.67
  5. Step 5: Solve for x
    x = 1,108,158,505.67/54,987.93
  6. Step 6: Final answer
    x = 20,152.76

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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.