Home / 54,553.44-75,290.40-30,681.12

Finding the Fourth Proportional to 54,553.44, 75,290.40 and 30,681.12

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Solution

The fourth proportional to 54,553.44, 75,290.40 and 30,681.12 is: 42,343.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,553.44 : 75,290.40 = 30,681.12 : x
  2. Step 2: Convert to fraction form
    54,553.44/75,290.40 = 30,681.12/x
  3. Step 3: Cross multiply
    54,553.44x = 75,290.40 × 30,681.12
  4. Step 4: Simplify right side
    54,553.44x = 2,309,993,797.25
  5. Step 5: Solve for x
    x = 2,309,993,797.25/54,553.44
  6. Step 6: Final answer
    x = 42,343.69

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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.