Home / 48,951.20-73,412.40-19,359.20

Finding the Fourth Proportional to 48,951.20, 73,412.40 and 19,359.20

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Solution

The fourth proportional to 48,951.20, 73,412.40 and 19,359.20 is: 29,033.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,951.20 : 73,412.40 = 19,359.20 : x
  2. Step 2: Convert to fraction form
    48,951.20/73,412.40 = 19,359.20/x
  3. Step 3: Cross multiply
    48,951.20x = 73,412.40 × 19,359.20
  4. Step 4: Simplify right side
    48,951.20x = 1,421,205,334.08
  5. Step 5: Solve for x
    x = 1,421,205,334.08/48,951.20
  6. Step 6: Final answer
    x = 29,033.11

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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.