Home / 39,268.59-58,881.92-20,503.21

Finding the Fourth Proportional to 39,268.59, 58,881.92 and 20,503.21

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Solution

The fourth proportional to 39,268.59, 58,881.92 and 20,503.21 is: 30,743.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,268.59 : 58,881.92 = 20,503.21 : x
  2. Step 2: Convert to fraction form
    39,268.59/58,881.92 = 20,503.21/x
  3. Step 3: Cross multiply
    39,268.59x = 58,881.92 × 20,503.21
  4. Step 4: Simplify right side
    39,268.59x = 1,207,268,370.96
  5. Step 5: Solve for x
    x = 1,207,268,370.96/39,268.59
  6. Step 6: Final answer
    x = 30,743.87

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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.