Home / 36,004.84-49,681.71-20,086.20

Finding the Fourth Proportional to 36,004.84, 49,681.71 and 20,086.20

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Solution

The fourth proportional to 36,004.84, 49,681.71 and 20,086.20 is: 27,716.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,004.84 : 49,681.71 = 20,086.20 : x
  2. Step 2: Convert to fraction form
    36,004.84/49,681.71 = 20,086.20/x
  3. Step 3: Cross multiply
    36,004.84x = 49,681.71 × 20,086.20
  4. Step 4: Simplify right side
    36,004.84x = 997,916,763.40
  5. Step 5: Solve for x
    x = 997,916,763.40/36,004.84
  6. Step 6: Final answer
    x = 27,716.19

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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.