Home / 48,529.75-72,751.32-18,940.69

Finding the Fourth Proportional to 48,529.75, 72,751.32 and 18,940.69

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Solution

The fourth proportional to 48,529.75, 72,751.32 and 18,940.69 is: 28,394.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,529.75 : 72,751.32 = 18,940.69 : x
  2. Step 2: Convert to fraction form
    48,529.75/72,751.32 = 18,940.69/x
  3. Step 3: Cross multiply
    48,529.75x = 72,751.32 × 18,940.69
  4. Step 4: Simplify right side
    48,529.75x = 1,377,960,199.21
  5. Step 5: Solve for x
    x = 1,377,960,199.21/48,529.75
  6. Step 6: Final answer
    x = 28,394.13

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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.