Home / 60,255.23-90,382.38-18,135.12

Finding the Fourth Proportional to 60,255.23, 90,382.38 and 18,135.12

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Solution

The fourth proportional to 60,255.23, 90,382.38 and 18,135.12 is: 27,202.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,255.23 : 90,382.38 = 18,135.12 : x
  2. Step 2: Convert to fraction form
    60,255.23/90,382.38 = 18,135.12/x
  3. Step 3: Cross multiply
    60,255.23x = 90,382.38 × 18,135.12
  4. Step 4: Simplify right side
    60,255.23x = 1,639,095,680.12
  5. Step 5: Solve for x
    x = 1,639,095,680.12/60,255.23
  6. Step 6: Final answer
    x = 27,202.55

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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.