Home / 48,454.52-72,725.62-20,395.30

Finding the Fourth Proportional to 48,454.52, 72,725.62 and 20,395.30

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Solution

The fourth proportional to 48,454.52, 72,725.62 and 20,395.30 is: 30,611.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,454.52 : 72,725.62 = 20,395.30 : x
  2. Step 2: Convert to fraction form
    48,454.52/72,725.62 = 20,395.30/x
  3. Step 3: Cross multiply
    48,454.52x = 72,725.62 × 20,395.30
  4. Step 4: Simplify right side
    48,454.52x = 1,483,260,837.59
  5. Step 5: Solve for x
    x = 1,483,260,837.59/48,454.52
  6. Step 6: Final answer
    x = 30,611.40

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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.