Home / 33,109.36-49,666.47-13,387.48

Finding the Fourth Proportional to 33,109.36, 49,666.47 and 13,387.48

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Solution

The fourth proportional to 33,109.36, 49,666.47 and 13,387.48 is: 20,082.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,109.36 : 49,666.47 = 13,387.48 : x
  2. Step 2: Convert to fraction form
    33,109.36/49,666.47 = 13,387.48/x
  3. Step 3: Cross multiply
    33,109.36x = 49,666.47 × 13,387.48
  4. Step 4: Simplify right side
    33,109.36x = 664,908,699.43
  5. Step 5: Solve for x
    x = 664,908,699.43/33,109.36
  6. Step 6: Final answer
    x = 20,082.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.