Home / 39,837.62-59,793.38-20,130.02

Finding the Fourth Proportional to 39,837.62, 59,793.38 and 20,130.02

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Solution

The fourth proportional to 39,837.62, 59,793.38 and 20,130.02 is: 30,213.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,837.62 : 59,793.38 = 20,130.02 : x
  2. Step 2: Convert to fraction form
    39,837.62/59,793.38 = 20,130.02/x
  3. Step 3: Cross multiply
    39,837.62x = 59,793.38 × 20,130.02
  4. Step 4: Simplify right side
    39,837.62x = 1,203,641,535.65
  5. Step 5: Solve for x
    x = 1,203,641,535.65/39,837.62
  6. Step 6: Final answer
    x = 30,213.69

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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.