Home / 49,993.60-69,008.54-28,781.32

Finding the Fourth Proportional to 49,993.60, 69,008.54 and 28,781.32

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Solution

The fourth proportional to 49,993.60, 69,008.54 and 28,781.32 is: 39,728.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,993.60 : 69,008.54 = 28,781.32 : x
  2. Step 2: Convert to fraction form
    49,993.60/69,008.54 = 28,781.32/x
  3. Step 3: Cross multiply
    49,993.60x = 69,008.54 × 28,781.32
  4. Step 4: Simplify right side
    49,993.60x = 1,986,156,383.52
  5. Step 5: Solve for x
    x = 1,986,156,383.52/49,993.60
  6. Step 6: Final answer
    x = 39,728.22

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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.