Home / 50,728.26-76,042.95-21,154.56

Finding the Fourth Proportional to 50,728.26, 76,042.95 and 21,154.56

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Solution

The fourth proportional to 50,728.26, 76,042.95 and 21,154.56 is: 31,711.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,728.26 : 76,042.95 = 21,154.56 : x
  2. Step 2: Convert to fraction form
    50,728.26/76,042.95 = 21,154.56/x
  3. Step 3: Cross multiply
    50,728.26x = 76,042.95 × 21,154.56
  4. Step 4: Simplify right side
    50,728.26x = 1,608,655,148.35
  5. Step 5: Solve for x
    x = 1,608,655,148.35/50,728.26
  6. Step 6: Final answer
    x = 31,711.22

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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.