Home / 48,919.60-73,357.80-19,327.60

Finding the Fourth Proportional to 48,919.60, 73,357.80 and 19,327.60

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Solution

The fourth proportional to 48,919.60, 73,357.80 and 19,327.60 is: 28,982.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,919.60 : 73,357.80 = 19,327.60 : x
  2. Step 2: Convert to fraction form
    48,919.60/73,357.80 = 19,327.60/x
  3. Step 3: Cross multiply
    48,919.60x = 73,357.80 × 19,327.60
  4. Step 4: Simplify right side
    48,919.60x = 1,417,830,215.28
  5. Step 5: Solve for x
    x = 1,417,830,215.28/48,919.60
  6. Step 6: Final answer
    x = 28,982.87

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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.