Home / 36,332.24-54,512.20-12,642.42

Finding the Fourth Proportional to 36,332.24, 54,512.20 and 12,642.42

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Solution

The fourth proportional to 36,332.24, 54,512.20 and 12,642.42 is: 18,968.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,332.24 : 54,512.20 = 12,642.42 : x
  2. Step 2: Convert to fraction form
    36,332.24/54,512.20 = 12,642.42/x
  3. Step 3: Cross multiply
    36,332.24x = 54,512.20 × 12,642.42
  4. Step 4: Simplify right side
    36,332.24x = 689,166,127.52
  5. Step 5: Solve for x
    x = 689,166,127.52/36,332.24
  6. Step 6: Final answer
    x = 18,968.45

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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.