Home / 50,908.45-70,257.50-28,251.72

Finding the Fourth Proportional to 50,908.45, 70,257.50 and 28,251.72

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Solution

The fourth proportional to 50,908.45, 70,257.50 and 28,251.72 is: 38,989.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,908.45 : 70,257.50 = 28,251.72 : x
  2. Step 2: Convert to fraction form
    50,908.45/70,257.50 = 28,251.72/x
  3. Step 3: Cross multiply
    50,908.45x = 70,257.50 × 28,251.72
  4. Step 4: Simplify right side
    50,908.45x = 1,984,895,262.04
  5. Step 5: Solve for x
    x = 1,984,895,262.04/50,908.45
  6. Step 6: Final answer
    x = 38,989.51

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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.