Home / 40,218.40-60,327.60-27,776.80

Finding the Fourth Proportional to 40,218.40, 60,327.60 and 27,776.80

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Solution

The fourth proportional to 40,218.40, 60,327.60 and 27,776.80 is: 41,665.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,218.40 : 60,327.60 = 27,776.80 : x
  2. Step 2: Convert to fraction form
    40,218.40/60,327.60 = 27,776.80/x
  3. Step 3: Cross multiply
    40,218.40x = 60,327.60 × 27,776.80
  4. Step 4: Simplify right side
    40,218.40x = 1,675,707,679.68
  5. Step 5: Solve for x
    x = 1,675,707,679.68/40,218.40
  6. Step 6: Final answer
    x = 41,665.20

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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.