Home / 60,175.20-90,345.60-30,612.96

Finding the Fourth Proportional to 60,175.20, 90,345.60 and 30,612.96

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Solution

The fourth proportional to 60,175.20, 90,345.60 and 30,612.96 is: 45,961.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,175.20 : 90,345.60 = 30,612.96 : x
  2. Step 2: Convert to fraction form
    60,175.20/90,345.60 = 30,612.96/x
  3. Step 3: Cross multiply
    60,175.20x = 90,345.60 × 30,612.96
  4. Step 4: Simplify right side
    60,175.20x = 2,765,746,238.98
  5. Step 5: Solve for x
    x = 2,765,746,238.98/60,175.20
  6. Step 6: Final answer
    x = 45,961.56

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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.