Home / 36,005.77-49,687.95-20,090.22

Finding the Fourth Proportional to 36,005.77, 49,687.95 and 20,090.22

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Solution

The fourth proportional to 36,005.77, 49,687.95 and 20,090.22 is: 27,724.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,005.77 : 49,687.95 = 20,090.22 : x
  2. Step 2: Convert to fraction form
    36,005.77/49,687.95 = 20,090.22/x
  3. Step 3: Cross multiply
    36,005.77x = 49,687.95 × 20,090.22
  4. Step 4: Simplify right side
    36,005.77x = 998,241,846.85
  5. Step 5: Solve for x
    x = 998,241,846.85/36,005.77
  6. Step 6: Final answer
    x = 27,724.50

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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.