Home / 36,037.16-49,729.19-20,122.62

Finding the Fourth Proportional to 36,037.16, 49,729.19 and 20,122.62

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Solution

The fourth proportional to 36,037.16, 49,729.19 and 20,122.62 is: 27,768.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,037.16 : 49,729.19 = 20,122.62 : x
  2. Step 2: Convert to fraction form
    36,037.16/49,729.19 = 20,122.62/x
  3. Step 3: Cross multiply
    36,037.16x = 49,729.19 × 20,122.62
  4. Step 4: Simplify right side
    36,037.16x = 1,000,681,492.66
  5. Step 5: Solve for x
    x = 1,000,681,492.66/36,037.16
  6. Step 6: Final answer
    x = 27,768.05

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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.