Home / 50,412.88-75,613.56-13,479.76

Finding the Fourth Proportional to 50,412.88, 75,613.56 and 13,479.76

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Solution

The fourth proportional to 50,412.88, 75,613.56 and 13,479.76 is: 20,218.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,412.88 : 75,613.56 = 13,479.76 : x
  2. Step 2: Convert to fraction form
    50,412.88/75,613.56 = 13,479.76/x
  3. Step 3: Cross multiply
    50,412.88x = 75,613.56 × 13,479.76
  4. Step 4: Simplify right side
    50,412.88x = 1,019,252,641.55
  5. Step 5: Solve for x
    x = 1,019,252,641.55/50,412.88
  6. Step 6: Final answer
    x = 20,218.10

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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.