Home / 60,612.44-90,960.26-21,169.62

Finding the Fourth Proportional to 60,612.44, 90,960.26 and 21,169.62

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Solution

The fourth proportional to 60,612.44, 90,960.26 and 21,169.62 is: 31,768.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,612.44 : 90,960.26 = 21,169.62 : x
  2. Step 2: Convert to fraction form
    60,612.44/90,960.26 = 21,169.62/x
  3. Step 3: Cross multiply
    60,612.44x = 90,960.26 × 21,169.62
  4. Step 4: Simplify right side
    60,612.44x = 1,925,594,033.45
  5. Step 5: Solve for x
    x = 1,925,594,033.45/60,612.44
  6. Step 6: Final answer
    x = 31,768.96

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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.