Home / 50,153.24-75,229.71-12,713.21

Finding the Fourth Proportional to 50,153.24, 75,229.71 and 12,713.21

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Solution

The fourth proportional to 50,153.24, 75,229.71 and 12,713.21 is: 19,069.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,153.24 : 75,229.71 = 12,713.21 : x
  2. Step 2: Convert to fraction form
    50,153.24/75,229.71 = 12,713.21/x
  3. Step 3: Cross multiply
    50,153.24x = 75,229.71 × 12,713.21
  4. Step 4: Simplify right side
    50,153.24x = 956,411,101.47
  5. Step 5: Solve for x
    x = 956,411,101.47/50,153.24
  6. Step 6: Final answer
    x = 19,069.78

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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.