Home / 48,443.67-72,679.38-20,349.26

Finding the Fourth Proportional to 48,443.67, 72,679.38 and 20,349.26

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Solution

The fourth proportional to 48,443.67, 72,679.38 and 20,349.26 is: 30,529.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,443.67 : 72,679.38 = 20,349.26 : x
  2. Step 2: Convert to fraction form
    48,443.67/72,679.38 = 20,349.26/x
  3. Step 3: Cross multiply
    48,443.67x = 72,679.38 × 20,349.26
  4. Step 4: Simplify right side
    48,443.67x = 1,478,971,433.10
  5. Step 5: Solve for x
    x = 1,478,971,433.10/48,443.67
  6. Step 6: Final answer
    x = 30,529.71

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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.