Home / 48,929.20-73,399.20-15,643.60

Finding the Fourth Proportional to 48,929.20, 73,399.20 and 15,643.60

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Solution

The fourth proportional to 48,929.20, 73,399.20 and 15,643.60 is: 23,467.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,929.20 : 73,399.20 = 15,643.60 : x
  2. Step 2: Convert to fraction form
    48,929.20/73,399.20 = 15,643.60/x
  3. Step 3: Cross multiply
    48,929.20x = 73,399.20 × 15,643.60
  4. Step 4: Simplify right side
    48,929.20x = 1,148,227,725.12
  5. Step 5: Solve for x
    x = 1,148,227,725.12/48,929.20
  6. Step 6: Final answer
    x = 23,467.13

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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.