Home / 40,266.24-60,391.80-13,965.60

Finding the Fourth Proportional to 40,266.24, 60,391.80 and 13,965.60

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Solution

The fourth proportional to 40,266.24, 60,391.80 and 13,965.60 is: 20,945.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,266.24 : 60,391.80 = 13,965.60 : x
  2. Step 2: Convert to fraction form
    40,266.24/60,391.80 = 13,965.60/x
  3. Step 3: Cross multiply
    40,266.24x = 60,391.80 × 13,965.60
  4. Step 4: Simplify right side
    40,266.24x = 843,407,722.08
  5. Step 5: Solve for x
    x = 843,407,722.08/40,266.24
  6. Step 6: Final answer
    x = 20,945.78

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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.