Home / 40,255.40-60,383.10-29,138.60

Finding the Fourth Proportional to 40,255.40, 60,383.10 and 29,138.60

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Solution

The fourth proportional to 40,255.40, 60,383.10 and 29,138.60 is: 43,707.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,255.40 : 60,383.10 = 29,138.60 : x
  2. Step 2: Convert to fraction form
    40,255.40/60,383.10 = 29,138.60/x
  3. Step 3: Cross multiply
    40,255.40x = 60,383.10 × 29,138.60
  4. Step 4: Simplify right side
    40,255.40x = 1,759,478,997.66
  5. Step 5: Solve for x
    x = 1,759,478,997.66/40,255.40
  6. Step 6: Final answer
    x = 43,707.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.