Home / 54,032.27-81,010.13-20,724.26

Finding the Fourth Proportional to 54,032.27, 81,010.13 and 20,724.26

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Solution

The fourth proportional to 54,032.27, 81,010.13 and 20,724.26 is: 31,071.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,032.27 : 81,010.13 = 20,724.26 : x
  2. Step 2: Convert to fraction form
    54,032.27/81,010.13 = 20,724.26/x
  3. Step 3: Cross multiply
    54,032.27x = 81,010.13 × 20,724.26
  4. Step 4: Simplify right side
    54,032.27x = 1,678,874,488.08
  5. Step 5: Solve for x
    x = 1,678,874,488.08/54,032.27
  6. Step 6: Final answer
    x = 31,071.70

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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.