Home / 39,475.20-59,212.80-33,331.20

Finding the Fourth Proportional to 39,475.20, 59,212.80 and 33,331.20

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Solution

The fourth proportional to 39,475.20, 59,212.80 and 33,331.20 is: 49,996.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,475.20 : 59,212.80 = 33,331.20 : x
  2. Step 2: Convert to fraction form
    39,475.20/59,212.80 = 33,331.20/x
  3. Step 3: Cross multiply
    39,475.20x = 59,212.80 × 33,331.20
  4. Step 4: Simplify right side
    39,475.20x = 1,973,633,679.36
  5. Step 5: Solve for x
    x = 1,973,633,679.36/39,475.20
  6. Step 6: Final answer
    x = 49,996.80

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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.