Home / 36,041.48-49,736.76-20,126.20

Finding the Fourth Proportional to 36,041.48, 49,736.76 and 20,126.20

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Solution

The fourth proportional to 36,041.48, 49,736.76 and 20,126.20 is: 27,773.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,041.48 : 49,736.76 = 20,126.20 : x
  2. Step 2: Convert to fraction form
    36,041.48/49,736.76 = 20,126.20/x
  3. Step 3: Cross multiply
    36,041.48x = 49,736.76 × 20,126.20
  4. Step 4: Simplify right side
    36,041.48x = 1,001,011,979.11
  5. Step 5: Solve for x
    x = 1,001,011,979.11/36,041.48
  6. Step 6: Final answer
    x = 27,773.89

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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.