Home / 36,296.91-50,090.50-20,386.49

Finding the Fourth Proportional to 36,296.91, 50,090.50 and 20,386.49

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Solution

The fourth proportional to 36,296.91, 50,090.50 and 20,386.49 is: 28,133.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,296.91 : 50,090.50 = 20,386.49 : x
  2. Step 2: Convert to fraction form
    36,296.91/50,090.50 = 20,386.49/x
  3. Step 3: Cross multiply
    36,296.91x = 50,090.50 × 20,386.49
  4. Step 4: Simplify right side
    36,296.91x = 1,021,169,252.38
  5. Step 5: Solve for x
    x = 1,021,169,252.38/36,296.91
  6. Step 6: Final answer
    x = 28,133.78

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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.