Home / 50,891.55-70,231.47-28,229.81

Finding the Fourth Proportional to 50,891.55, 70,231.47 and 28,229.81

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Solution

The fourth proportional to 50,891.55, 70,231.47 and 28,229.81 is: 38,957.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,891.55 : 70,231.47 = 28,229.81 : x
  2. Step 2: Convert to fraction form
    50,891.55/70,231.47 = 28,229.81/x
  3. Step 3: Cross multiply
    50,891.55x = 70,231.47 × 28,229.81
  4. Step 4: Simplify right side
    50,891.55x = 1,982,621,054.12
  5. Step 5: Solve for x
    x = 1,982,621,054.12/50,891.55
  6. Step 6: Final answer
    x = 38,957.77

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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.