Home / 40,140.12-55,430.88-25,824.85

Finding the Fourth Proportional to 40,140.12, 55,430.88 and 25,824.85

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Solution

The fourth proportional to 40,140.12, 55,430.88 and 25,824.85 is: 35,662.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,140.12 : 55,430.88 = 25,824.85 : x
  2. Step 2: Convert to fraction form
    40,140.12/55,430.88 = 25,824.85/x
  3. Step 3: Cross multiply
    40,140.12x = 55,430.88 × 25,824.85
  4. Step 4: Simplify right side
    40,140.12x = 1,431,494,161.37
  5. Step 5: Solve for x
    x = 1,431,494,161.37/40,140.12
  6. Step 6: Final answer
    x = 35,662.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.