Home / 36,017.07-49,705.50-20,101.38

Finding the Fourth Proportional to 36,017.07, 49,705.50 and 20,101.38

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Solution

The fourth proportional to 36,017.07, 49,705.50 and 20,101.38 is: 27,740.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,017.07 : 49,705.50 = 20,101.38 : x
  2. Step 2: Convert to fraction form
    36,017.07/49,705.50 = 20,101.38/x
  3. Step 3: Cross multiply
    36,017.07x = 49,705.50 × 20,101.38
  4. Step 4: Simplify right side
    36,017.07x = 999,149,143.59
  5. Step 5: Solve for x
    x = 999,149,143.59/36,017.07
  6. Step 6: Final answer
    x = 27,740.99

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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.