Home / 48,419.25-72,633.06-13,358.90

Finding the Fourth Proportional to 48,419.25, 72,633.06 and 13,358.90

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Solution

The fourth proportional to 48,419.25, 72,633.06 and 13,358.90 is: 20,039.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,419.25 : 72,633.06 = 13,358.90 : x
  2. Step 2: Convert to fraction form
    48,419.25/72,633.06 = 13,358.90/x
  3. Step 3: Cross multiply
    48,419.25x = 72,633.06 × 13,358.90
  4. Step 4: Simplify right side
    48,419.25x = 970,297,966.82
  5. Step 5: Solve for x
    x = 970,297,966.82/48,419.25
  6. Step 6: Final answer
    x = 20,039.51

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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.