Home / 36,117.20-49,842.05-20,203.13

Finding the Fourth Proportional to 36,117.20, 49,842.05 and 20,203.13

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Solution

The fourth proportional to 36,117.20, 49,842.05 and 20,203.13 is: 27,880.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,117.20 : 49,842.05 = 20,203.13 : x
  2. Step 2: Convert to fraction form
    36,117.20/49,842.05 = 20,203.13/x
  3. Step 3: Cross multiply
    36,117.20x = 49,842.05 × 20,203.13
  4. Step 4: Simplify right side
    36,117.20x = 1,006,965,065.39
  5. Step 5: Solve for x
    x = 1,006,965,065.39/36,117.20
  6. Step 6: Final answer
    x = 27,880.49

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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.