Home / 50,634.68-69,876.06-28,278.68

Finding the Fourth Proportional to 50,634.68, 69,876.06 and 28,278.68

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Solution

The fourth proportional to 50,634.68, 69,876.06 and 28,278.68 is: 39,024.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,634.68 : 69,876.06 = 28,278.68 : x
  2. Step 2: Convert to fraction form
    50,634.68/69,876.06 = 28,278.68/x
  3. Step 3: Cross multiply
    50,634.68x = 69,876.06 × 28,278.68
  4. Step 4: Simplify right side
    50,634.68x = 1,976,002,740.40
  5. Step 5: Solve for x
    x = 1,976,002,740.40/50,634.68
  6. Step 6: Final answer
    x = 39,024.69

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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.