Home / 49,888.80-74,768.64-20,272.26

Finding the Fourth Proportional to 49,888.80, 74,768.64 and 20,272.26

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Solution

The fourth proportional to 49,888.80, 74,768.64 and 20,272.26 is: 30,382.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,888.80 : 74,768.64 = 20,272.26 : x
  2. Step 2: Convert to fraction form
    49,888.80/74,768.64 = 20,272.26/x
  3. Step 3: Cross multiply
    49,888.80x = 74,768.64 × 20,272.26
  4. Step 4: Simplify right side
    49,888.80x = 1,515,729,309.93
  5. Step 5: Solve for x
    x = 1,515,729,309.93/49,888.80
  6. Step 6: Final answer
    x = 30,382.16

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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.