Home / 38,112.55-57,204.27-19,406.57

Finding the Fourth Proportional to 38,112.55, 57,204.27 and 19,406.57

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Solution

The fourth proportional to 38,112.55, 57,204.27 and 19,406.57 is: 29,127.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,112.55 : 57,204.27 = 19,406.57 : x
  2. Step 2: Convert to fraction form
    38,112.55/57,204.27 = 19,406.57/x
  3. Step 3: Cross multiply
    38,112.55x = 57,204.27 × 19,406.57
  4. Step 4: Simplify right side
    38,112.55x = 1,110,138,384.03
  5. Step 5: Solve for x
    x = 1,110,138,384.03/38,112.55
  6. Step 6: Final answer
    x = 29,127.90

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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.