Home / 36,113.16-49,836.32-20,197.60

Finding the Fourth Proportional to 36,113.16, 49,836.32 and 20,197.60

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Solution

The fourth proportional to 36,113.16, 49,836.32 and 20,197.60 is: 27,872.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,113.16 : 49,836.32 = 20,197.60 : x
  2. Step 2: Convert to fraction form
    36,113.16/49,836.32 = 20,197.60/x
  3. Step 3: Cross multiply
    36,113.16x = 49,836.32 × 20,197.60
  4. Step 4: Simplify right side
    36,113.16x = 1,006,574,056.83
  5. Step 5: Solve for x
    x = 1,006,574,056.83/36,113.16
  6. Step 6: Final answer
    x = 27,872.78

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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.