Home / 40,268.08-60,402.75-12,188.44

Finding the Fourth Proportional to 40,268.08, 60,402.75 and 12,188.44

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Solution

The fourth proportional to 40,268.08, 60,402.75 and 12,188.44 is: 18,282.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,268.08 : 60,402.75 = 12,188.44 : x
  2. Step 2: Convert to fraction form
    40,268.08/60,402.75 = 12,188.44/x
  3. Step 3: Cross multiply
    40,268.08x = 60,402.75 × 12,188.44
  4. Step 4: Simplify right side
    40,268.08x = 736,215,294.21
  5. Step 5: Solve for x
    x = 736,215,294.21/40,268.08
  6. Step 6: Final answer
    x = 18,282.85

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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.