Home / 48,919.40-73,292.70-30,429.80

Finding the Fourth Proportional to 48,919.40, 73,292.70 and 30,429.80

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Solution

The fourth proportional to 48,919.40, 73,292.70 and 30,429.80 is: 45,590.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,919.40 : 73,292.70 = 30,429.80 : x
  2. Step 2: Convert to fraction form
    48,919.40/73,292.70 = 30,429.80/x
  3. Step 3: Cross multiply
    48,919.40x = 73,292.70 × 30,429.80
  4. Step 4: Simplify right side
    48,919.40x = 2,230,282,202.46
  5. Step 5: Solve for x
    x = 2,230,282,202.46/48,919.40
  6. Step 6: Final answer
    x = 45,590.96

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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.