Home / 40,190.87-60,296.31-12,110.30

Finding the Fourth Proportional to 40,190.87, 60,296.31 and 12,110.30

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Solution

The fourth proportional to 40,190.87, 60,296.31 and 12,110.30 is: 18,168.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,190.87 : 60,296.31 = 12,110.30 : x
  2. Step 2: Convert to fraction form
    40,190.87/60,296.31 = 12,110.30/x
  3. Step 3: Cross multiply
    40,190.87x = 60,296.31 × 12,110.30
  4. Step 4: Simplify right side
    40,190.87x = 730,206,402.99
  5. Step 5: Solve for x
    x = 730,206,402.99/40,190.87
  6. Step 6: Final answer
    x = 18,168.46

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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.