Home / 37,128.97-55,715.33-17,407.70

Finding the Fourth Proportional to 37,128.97, 55,715.33 and 17,407.70

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Solution

The fourth proportional to 37,128.97, 55,715.33 and 17,407.70 is: 26,121.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,128.97 : 55,715.33 = 17,407.70 : x
  2. Step 2: Convert to fraction form
    37,128.97/55,715.33 = 17,407.70/x
  3. Step 3: Cross multiply
    37,128.97x = 55,715.33 × 17,407.70
  4. Step 4: Simplify right side
    37,128.97x = 969,875,750.04
  5. Step 5: Solve for x
    x = 969,875,750.04/37,128.97
  6. Step 6: Final answer
    x = 26,121.81

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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.