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Finding the Fourth Proportional to 40,008.98, 60,016.98 and 20,274.86

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Solution

The fourth proportional to 40,008.98, 60,016.98 and 20,274.86 is: 30,414.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,008.98 : 60,016.98 = 20,274.86 : x
  2. Step 2: Convert to fraction form
    40,008.98/60,016.98 = 20,274.86/x
  3. Step 3: Cross multiply
    40,008.98x = 60,016.98 × 20,274.86
  4. Step 4: Simplify right side
    40,008.98x = 1,216,835,867.12
  5. Step 5: Solve for x
    x = 1,216,835,867.12/40,008.98
  6. Step 6: Final answer
    x = 30,414.07

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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.