Home / 39,843.36-59,801.90-20,135.72

Finding the Fourth Proportional to 39,843.36, 59,801.90 and 20,135.72

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Solution

The fourth proportional to 39,843.36, 59,801.90 and 20,135.72 is: 30,222.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,843.36 : 59,801.90 = 20,135.72 : x
  2. Step 2: Convert to fraction form
    39,843.36/59,801.90 = 20,135.72/x
  3. Step 3: Cross multiply
    39,843.36x = 59,801.90 × 20,135.72
  4. Step 4: Simplify right side
    39,843.36x = 1,204,154,362.69
  5. Step 5: Solve for x
    x = 1,204,154,362.69/39,843.36
  6. Step 6: Final answer
    x = 30,222.21

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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.