Home / 40,268.92-60,412.14-12,188.44

Finding the Fourth Proportional to 40,268.92, 60,412.14 and 12,188.44

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Solution

The fourth proportional to 40,268.92, 60,412.14 and 12,188.44 is: 18,285.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,268.92 : 60,412.14 = 12,188.44 : x
  2. Step 2: Convert to fraction form
    40,268.92/60,412.14 = 12,188.44/x
  3. Step 3: Cross multiply
    40,268.92x = 60,412.14 × 12,188.44
  4. Step 4: Simplify right side
    40,268.92x = 736,329,743.66
  5. Step 5: Solve for x
    x = 736,329,743.66/40,268.92
  6. Step 6: Final answer
    x = 18,285.31

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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.