Home / 36,003.90-49,685.51-20,089.02

Finding the Fourth Proportional to 36,003.90, 49,685.51 and 20,089.02

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Solution

The fourth proportional to 36,003.90, 49,685.51 and 20,089.02 is: 27,722.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,003.90 : 49,685.51 = 20,089.02 : x
  2. Step 2: Convert to fraction form
    36,003.90/49,685.51 = 20,089.02/x
  3. Step 3: Cross multiply
    36,003.90x = 49,685.51 × 20,089.02
  4. Step 4: Simplify right side
    36,003.90x = 998,133,204.10
  5. Step 5: Solve for x
    x = 998,133,204.10/36,003.90
  6. Step 6: Final answer
    x = 27,722.92

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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.