Home / 50,348.24-69,463.28-31,221.12

Finding the Fourth Proportional to 50,348.24, 69,463.28 and 31,221.12

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Solution

The fourth proportional to 50,348.24, 69,463.28 and 31,221.12 is: 43,074.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,348.24 : 69,463.28 = 31,221.12 : x
  2. Step 2: Convert to fraction form
    50,348.24/69,463.28 = 31,221.12/x
  3. Step 3: Cross multiply
    50,348.24x = 69,463.28 × 31,221.12
  4. Step 4: Simplify right side
    50,348.24x = 2,168,721,400.47
  5. Step 5: Solve for x
    x = 2,168,721,400.47/50,348.24
  6. Step 6: Final answer
    x = 43,074.42

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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.