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Finding the Fourth Proportional to 40,201.60, 60,230.40 and 19,379.20

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Solution

The fourth proportional to 40,201.60, 60,230.40 and 19,379.20 is: 29,034.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,201.60 : 60,230.40 = 19,379.20 : x
  2. Step 2: Convert to fraction form
    40,201.60/60,230.40 = 19,379.20/x
  3. Step 3: Cross multiply
    40,201.60x = 60,230.40 × 19,379.20
  4. Step 4: Simplify right side
    40,201.60x = 1,167,216,967.68
  5. Step 5: Solve for x
    x = 1,167,216,967.68/40,201.60
  6. Step 6: Final answer
    x = 29,034.09

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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.