Home / 50,912.18-70,259.20-28,251.26

Finding the Fourth Proportional to 50,912.18, 70,259.20 and 28,251.26

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Solution

The fourth proportional to 50,912.18, 70,259.20 and 28,251.26 is: 38,986.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,912.18 : 70,259.20 = 28,251.26 : x
  2. Step 2: Convert to fraction form
    50,912.18/70,259.20 = 28,251.26/x
  3. Step 3: Cross multiply
    50,912.18x = 70,259.20 × 28,251.26
  4. Step 4: Simplify right side
    50,912.18x = 1,984,910,926.59
  5. Step 5: Solve for x
    x = 1,984,910,926.59/50,912.18
  6. Step 6: Final answer
    x = 38,986.96

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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.