Home / 55,717.38-83,517.35-18,267.68

Finding the Fourth Proportional to 55,717.38, 83,517.35 and 18,267.68

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Solution

The fourth proportional to 55,717.38, 83,517.35 and 18,267.68 is: 27,382.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,717.38 : 83,517.35 = 18,267.68 : x
  2. Step 2: Convert to fraction form
    55,717.38/83,517.35 = 18,267.68/x
  3. Step 3: Cross multiply
    55,717.38x = 83,517.35 × 18,267.68
  4. Step 4: Simplify right side
    55,717.38x = 1,525,668,224.25
  5. Step 5: Solve for x
    x = 1,525,668,224.25/55,717.38
  6. Step 6: Final answer
    x = 27,382.27

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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.