Home / 40,345.20-60,474.60-18,154.80

Finding the Fourth Proportional to 40,345.20, 60,474.60 and 18,154.80

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Solution

The fourth proportional to 40,345.20, 60,474.60 and 18,154.80 is: 27,212.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,345.20 : 60,474.60 = 18,154.80 : x
  2. Step 2: Convert to fraction form
    40,345.20/60,474.60 = 18,154.80/x
  3. Step 3: Cross multiply
    40,345.20x = 60,474.60 × 18,154.80
  4. Step 4: Simplify right side
    40,345.20x = 1,097,904,268.08
  5. Step 5: Solve for x
    x = 1,097,904,268.08/40,345.20
  6. Step 6: Final answer
    x = 27,212.76

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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.