Home / 39,969.05-59,842.80-20,206.29

Finding the Fourth Proportional to 39,969.05, 59,842.80 and 20,206.29

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Solution

The fourth proportional to 39,969.05, 59,842.80 and 20,206.29 is: 30,253.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,969.05 : 59,842.80 = 20,206.29 : x
  2. Step 2: Convert to fraction form
    39,969.05/59,842.80 = 20,206.29/x
  3. Step 3: Cross multiply
    39,969.05x = 59,842.80 × 20,206.29
  4. Step 4: Simplify right side
    39,969.05x = 1,209,201,195.62
  5. Step 5: Solve for x
    x = 1,209,201,195.62/39,969.05
  6. Step 6: Final answer
    x = 30,253.44

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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.