Home / 48,638.62-72,936.06-47,107.72

Finding the Fourth Proportional to 48,638.62, 72,936.06 and 47,107.72

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Solution

The fourth proportional to 48,638.62, 72,936.06 and 47,107.72 is: 70,640.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,638.62 : 72,936.06 = 47,107.72 : x
  2. Step 2: Convert to fraction form
    48,638.62/72,936.06 = 47,107.72/x
  3. Step 3: Cross multiply
    48,638.62x = 72,936.06 × 47,107.72
  4. Step 4: Simplify right side
    48,638.62x = 3,435,851,133.39
  5. Step 5: Solve for x
    x = 3,435,851,133.39/48,638.62
  6. Step 6: Final answer
    x = 70,640.39

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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.