Home / 40,326.20-60,501.62-20,618.60

Finding the Fourth Proportional to 40,326.20, 60,501.62 and 20,618.60

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Solution

The fourth proportional to 40,326.20, 60,501.62 and 20,618.60 is: 30,934.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,326.20 : 60,501.62 = 20,618.60 : x
  2. Step 2: Convert to fraction form
    40,326.20/60,501.62 = 20,618.60/x
  3. Step 3: Cross multiply
    40,326.20x = 60,501.62 × 20,618.60
  4. Step 4: Simplify right side
    40,326.20x = 1,247,458,702.13
  5. Step 5: Solve for x
    x = 1,247,458,702.13/40,326.20
  6. Step 6: Final answer
    x = 30,934.20

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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.