Home / 60,257.60-90,385.44-18,704.64

Finding the Fourth Proportional to 60,257.60, 90,385.44 and 18,704.64

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Solution

The fourth proportional to 60,257.60, 90,385.44 and 18,704.64 is: 28,056.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,257.60 : 90,385.44 = 18,704.64 : x
  2. Step 2: Convert to fraction form
    60,257.60/90,385.44 = 18,704.64/x
  3. Step 3: Cross multiply
    60,257.60x = 90,385.44 × 18,704.64
  4. Step 4: Simplify right side
    60,257.60x = 1,690,627,116.44
  5. Step 5: Solve for x
    x = 1,690,627,116.44/60,257.60
  6. Step 6: Final answer
    x = 28,056.66

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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.