Home / 50,816.21-70,131.56-29,306.79

Finding the Fourth Proportional to 50,816.21, 70,131.56 and 29,306.79

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Solution

The fourth proportional to 50,816.21, 70,131.56 and 29,306.79 is: 40,446.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,816.21 : 70,131.56 = 29,306.79 : x
  2. Step 2: Convert to fraction form
    50,816.21/70,131.56 = 29,306.79/x
  3. Step 3: Cross multiply
    50,816.21x = 70,131.56 × 29,306.79
  4. Step 4: Simplify right side
    50,816.21x = 2,055,330,754.76
  5. Step 5: Solve for x
    x = 2,055,330,754.76/50,816.21
  6. Step 6: Final answer
    x = 40,446.36

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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.