Home / 57,574.26-86,386.41-20,161.17

Finding the Fourth Proportional to 57,574.26, 86,386.41 and 20,161.17

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Solution

The fourth proportional to 57,574.26, 86,386.41 and 20,161.17 is: 30,250.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,574.26 : 86,386.41 = 20,161.17 : x
  2. Step 2: Convert to fraction form
    57,574.26/86,386.41 = 20,161.17/x
  3. Step 3: Cross multiply
    57,574.26x = 86,386.41 × 20,161.17
  4. Step 4: Simplify right side
    57,574.26x = 1,741,651,097.70
  5. Step 5: Solve for x
    x = 1,741,651,097.70/57,574.26
  6. Step 6: Final answer
    x = 30,250.52

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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.