Home / 40,283.60-60,321.72-26,390.48

Finding the Fourth Proportional to 40,283.60, 60,321.72 and 26,390.48

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Solution

The fourth proportional to 40,283.60, 60,321.72 and 26,390.48 is: 39,517.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,283.60 : 60,321.72 = 26,390.48 : x
  2. Step 2: Convert to fraction form
    40,283.60/60,321.72 = 26,390.48/x
  3. Step 3: Cross multiply
    40,283.60x = 60,321.72 × 26,390.48
  4. Step 4: Simplify right side
    40,283.60x = 1,591,919,145.23
  5. Step 5: Solve for x
    x = 1,591,919,145.23/40,283.60
  6. Step 6: Final answer
    x = 39,517.80

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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.