Home / 48,398.22-72,561.56-20,326.59

Finding the Fourth Proportional to 48,398.22, 72,561.56 and 20,326.59

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Solution

The fourth proportional to 48,398.22, 72,561.56 and 20,326.59 is: 30,474.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,398.22 : 72,561.56 = 20,326.59 : x
  2. Step 2: Convert to fraction form
    48,398.22/72,561.56 = 20,326.59/x
  3. Step 3: Cross multiply
    48,398.22x = 72,561.56 × 20,326.59
  4. Step 4: Simplify right side
    48,398.22x = 1,474,928,978.25
  5. Step 5: Solve for x
    x = 1,474,928,978.25/48,398.22
  6. Step 6: Final answer
    x = 30,474.86

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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.