Home / 54,845.52-75,691.44-30,973.20

Finding the Fourth Proportional to 54,845.52, 75,691.44 and 30,973.20

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Solution

The fourth proportional to 54,845.52, 75,691.44 and 30,973.20 is: 42,745.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,845.52 : 75,691.44 = 30,973.20 : x
  2. Step 2: Convert to fraction form
    54,845.52/75,691.44 = 30,973.20/x
  3. Step 3: Cross multiply
    54,845.52x = 75,691.44 × 30,973.20
  4. Step 4: Simplify right side
    54,845.52x = 2,344,406,109.41
  5. Step 5: Solve for x
    x = 2,344,406,109.41/54,845.52
  6. Step 6: Final answer
    x = 42,745.63

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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.