Home / 60,261.60-90,391.44-18,708.64

Finding the Fourth Proportional to 60,261.60, 90,391.44 and 18,708.64

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Solution

The fourth proportional to 60,261.60, 90,391.44 and 18,708.64 is: 28,062.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,261.60 : 90,391.44 = 18,708.64 : x
  2. Step 2: Convert to fraction form
    60,261.60/90,391.44 = 18,708.64/x
  3. Step 3: Cross multiply
    60,261.60x = 90,391.44 × 18,708.64
  4. Step 4: Simplify right side
    60,261.60x = 1,691,100,910.04
  5. Step 5: Solve for x
    x = 1,691,100,910.04/60,261.60
  6. Step 6: Final answer
    x = 28,062.66

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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.