Home / 54,554.27-81,831.41-17,120.12

Finding the Fourth Proportional to 54,554.27, 81,831.41 and 17,120.12

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Solution

The fourth proportional to 54,554.27, 81,831.41 and 17,120.12 is: 25,680.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,554.27 : 81,831.41 = 17,120.12 : x
  2. Step 2: Convert to fraction form
    54,554.27/81,831.41 = 17,120.12/x
  3. Step 3: Cross multiply
    54,554.27x = 81,831.41 × 17,120.12
  4. Step 4: Simplify right side
    54,554.27x = 1,400,963,064.21
  5. Step 5: Solve for x
    x = 1,400,963,064.21/54,554.27
  6. Step 6: Final answer
    x = 25,680.17

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Similar ratio
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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.