Home / 36,278.01-54,432.68-18,760.14

Finding the Fourth Proportional to 36,278.01, 54,432.68 and 18,760.14

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Solution

The fourth proportional to 36,278.01, 54,432.68 and 18,760.14 is: 28,148.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,278.01 : 54,432.68 = 18,760.14 : x
  2. Step 2: Convert to fraction form
    36,278.01/54,432.68 = 18,760.14/x
  3. Step 3: Cross multiply
    36,278.01x = 54,432.68 × 18,760.14
  4. Step 4: Simplify right side
    36,278.01x = 1,021,164,603.57
  5. Step 5: Solve for x
    x = 1,021,164,603.57/36,278.01
  6. Step 6: Final answer
    x = 28,148.31

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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.