Home / 50,781.78-70,072.29-29,557.62

Finding the Fourth Proportional to 50,781.78, 70,072.29 and 29,557.62

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Solution

The fourth proportional to 50,781.78, 70,072.29 and 29,557.62 is: 40,785.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,781.78 : 70,072.29 = 29,557.62 : x
  2. Step 2: Convert to fraction form
    50,781.78/70,072.29 = 29,557.62/x
  3. Step 3: Cross multiply
    50,781.78x = 70,072.29 × 29,557.62
  4. Step 4: Simplify right side
    50,781.78x = 2,071,170,120.35
  5. Step 5: Solve for x
    x = 2,071,170,120.35/50,781.78
  6. Step 6: Final answer
    x = 40,785.69

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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.