Home / 54,711.80-82,077.41-18,686.29

Finding the Fourth Proportional to 54,711.80, 82,077.41 and 18,686.29

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Solution

The fourth proportional to 54,711.80, 82,077.41 and 18,686.29 is: 28,032.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,711.80 : 82,077.41 = 18,686.29 : x
  2. Step 2: Convert to fraction form
    54,711.80/82,077.41 = 18,686.29/x
  3. Step 3: Cross multiply
    54,711.80x = 82,077.41 × 18,686.29
  4. Step 4: Simplify right side
    54,711.80x = 1,533,722,127.23
  5. Step 5: Solve for x
    x = 1,533,722,127.23/54,711.80
  6. Step 6: Final answer
    x = 28,032.75

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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.