Home / 50,695.30-69,964.05-28,039.60

Finding the Fourth Proportional to 50,695.30, 69,964.05 and 28,039.60

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Solution

The fourth proportional to 50,695.30, 69,964.05 and 28,039.60 is: 38,697.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,695.30 : 69,964.05 = 28,039.60 : x
  2. Step 2: Convert to fraction form
    50,695.30/69,964.05 = 28,039.60/x
  3. Step 3: Cross multiply
    50,695.30x = 69,964.05 × 28,039.60
  4. Step 4: Simplify right side
    50,695.30x = 1,961,763,976.38
  5. Step 5: Solve for x
    x = 1,961,763,976.38/50,695.30
  6. Step 6: Final answer
    x = 38,697.16

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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.