Home / 50,888.13-70,229.22-28,229.28

Finding the Fourth Proportional to 50,888.13, 70,229.22 and 28,229.28

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Solution

The fourth proportional to 50,888.13, 70,229.22 and 28,229.28 is: 38,958.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,888.13 : 70,229.22 = 28,229.28 : x
  2. Step 2: Convert to fraction form
    50,888.13/70,229.22 = 28,229.28/x
  3. Step 3: Cross multiply
    50,888.13x = 70,229.22 × 28,229.28
  4. Step 4: Simplify right side
    50,888.13x = 1,982,520,315.56
  5. Step 5: Solve for x
    x = 1,982,520,315.56/50,888.13
  6. Step 6: Final answer
    x = 38,958.40

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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.