Home / 36,073.53-49,780.51-20,158.11

Finding the Fourth Proportional to 36,073.53, 49,780.51 and 20,158.11

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Solution

The fourth proportional to 36,073.53, 49,780.51 and 20,158.11 is: 27,817.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,073.53 : 49,780.51 = 20,158.11 : x
  2. Step 2: Convert to fraction form
    36,073.53/49,780.51 = 20,158.11/x
  3. Step 3: Cross multiply
    36,073.53x = 49,780.51 × 20,158.11
  4. Step 4: Simplify right side
    36,073.53x = 1,003,480,747.53
  5. Step 5: Solve for x
    x = 1,003,480,747.53/36,073.53
  6. Step 6: Final answer
    x = 27,817.65

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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.