Home / 39,866.25-59,836.28-20,158.65

Finding the Fourth Proportional to 39,866.25, 59,836.28 and 20,158.65

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Solution

The fourth proportional to 39,866.25, 59,836.28 and 20,158.65 is: 30,256.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,866.25 : 59,836.28 = 20,158.65 : x
  2. Step 2: Convert to fraction form
    39,866.25/59,836.28 = 20,158.65/x
  3. Step 3: Cross multiply
    39,866.25x = 59,836.28 × 20,158.65
  4. Step 4: Simplify right side
    39,866.25x = 1,206,218,525.03
  5. Step 5: Solve for x
    x = 1,206,218,525.03/39,866.25
  6. Step 6: Final answer
    x = 30,256.63

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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.