Home / 32,732.51-45,164.05-20,791.49

Finding the Fourth Proportional to 32,732.51, 45,164.05 and 20,791.49

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Solution

The fourth proportional to 32,732.51, 45,164.05 and 20,791.49 is: 28,687.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,732.51 : 45,164.05 = 20,791.49 : x
  2. Step 2: Convert to fraction form
    32,732.51/45,164.05 = 20,791.49/x
  3. Step 3: Cross multiply
    32,732.51x = 45,164.05 × 20,791.49
  4. Step 4: Simplify right side
    32,732.51x = 939,027,616.14
  5. Step 5: Solve for x
    x = 939,027,616.14/32,732.51
  6. Step 6: Final answer
    x = 28,687.92

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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.