Home / 36,192.05-49,947.08-20,281.62

Finding the Fourth Proportional to 36,192.05, 49,947.08 and 20,281.62

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Solution

The fourth proportional to 36,192.05, 49,947.08 and 20,281.62 is: 27,989.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,192.05 : 49,947.08 = 20,281.62 : x
  2. Step 2: Convert to fraction form
    36,192.05/49,947.08 = 20,281.62/x
  3. Step 3: Cross multiply
    36,192.05x = 49,947.08 × 20,281.62
  4. Step 4: Simplify right side
    36,192.05x = 1,013,007,595.26
  5. Step 5: Solve for x
    x = 1,013,007,595.26/36,192.05
  6. Step 6: Final answer
    x = 27,989.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.