Home / 39,344.22-59,033.77-20,619.79

Finding the Fourth Proportional to 39,344.22, 59,033.77 and 20,619.79

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Solution

The fourth proportional to 39,344.22, 59,033.77 and 20,619.79 is: 30,938.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,344.22 : 59,033.77 = 20,619.79 : x
  2. Step 2: Convert to fraction form
    39,344.22/59,033.77 = 20,619.79/x
  3. Step 3: Cross multiply
    39,344.22x = 59,033.77 × 20,619.79
  4. Step 4: Simplify right side
    39,344.22x = 1,217,263,763.07
  5. Step 5: Solve for x
    x = 1,217,263,763.07/39,344.22
  6. Step 6: Final answer
    x = 30,938.82

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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.