Home / 36,113.19-49,838.75-20,199.12

Finding the Fourth Proportional to 36,113.19, 49,838.75 and 20,199.12

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Solution

The fourth proportional to 36,113.19, 49,838.75 and 20,199.12 is: 27,876.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,113.19 : 49,838.75 = 20,199.12 : x
  2. Step 2: Convert to fraction form
    36,113.19/49,838.75 = 20,199.12/x
  3. Step 3: Cross multiply
    36,113.19x = 49,838.75 × 20,199.12
  4. Step 4: Simplify right side
    36,113.19x = 1,006,698,891.90
  5. Step 5: Solve for x
    x = 1,006,698,891.90/36,113.19
  6. Step 6: Final answer
    x = 27,876.21

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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.