Home / 40,379.28-55,729.38-24,247.68

Finding the Fourth Proportional to 40,379.28, 55,729.38 and 24,247.68

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Solution

The fourth proportional to 40,379.28, 55,729.38 and 24,247.68 is: 33,465.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,379.28 : 55,729.38 = 24,247.68 : x
  2. Step 2: Convert to fraction form
    40,379.28/55,729.38 = 24,247.68/x
  3. Step 3: Cross multiply
    40,379.28x = 55,729.38 × 24,247.68
  4. Step 4: Simplify right side
    40,379.28x = 1,351,308,172.84
  5. Step 5: Solve for x
    x = 1,351,308,172.84/40,379.28
  6. Step 6: Final answer
    x = 33,465.39

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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.