Home / 50,891.04-70,230.06-28,231.50

Finding the Fourth Proportional to 50,891.04, 70,230.06 and 28,231.50

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Solution

The fourth proportional to 50,891.04, 70,230.06 and 28,231.50 is: 38,959.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,891.04 : 70,230.06 = 28,231.50 : x
  2. Step 2: Convert to fraction form
    50,891.04/70,230.06 = 28,231.50/x
  3. Step 3: Cross multiply
    50,891.04x = 70,230.06 × 28,231.50
  4. Step 4: Simplify right side
    50,891.04x = 1,982,700,202.25
  5. Step 5: Solve for x
    x = 1,982,700,202.25/50,891.04
  6. Step 6: Final answer
    x = 38,959.71

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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.