Home / 54,171.92-81,271.14-18,633.80

Finding the Fourth Proportional to 54,171.92, 81,271.14 and 18,633.80

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Solution

The fourth proportional to 54,171.92, 81,271.14 and 18,633.80 is: 27,955.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,171.92 : 81,271.14 = 18,633.80 : x
  2. Step 2: Convert to fraction form
    54,171.92/81,271.14 = 18,633.80/x
  3. Step 3: Cross multiply
    54,171.92x = 81,271.14 × 18,633.80
  4. Step 4: Simplify right side
    54,171.92x = 1,514,390,168.53
  5. Step 5: Solve for x
    x = 1,514,390,168.53/54,171.92
  6. Step 6: Final answer
    x = 27,955.26

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1.5x scale

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.