Home / 36,343.12-50,147.88-20,424.52

Finding the Fourth Proportional to 36,343.12, 50,147.88 and 20,424.52

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Solution

The fourth proportional to 36,343.12, 50,147.88 and 20,424.52 is: 28,182.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,343.12 : 50,147.88 = 20,424.52 : x
  2. Step 2: Convert to fraction form
    36,343.12/50,147.88 = 20,424.52/x
  3. Step 3: Cross multiply
    36,343.12x = 50,147.88 × 20,424.52
  4. Step 4: Simplify right side
    36,343.12x = 1,024,246,378.02
  5. Step 5: Solve for x
    x = 1,024,246,378.02/36,343.12
  6. Step 6: Final answer
    x = 28,182.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.