Home / 41,309.28-61,925.04-20,512.80

Finding the Fourth Proportional to 41,309.28, 61,925.04 and 20,512.80

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Solution

The fourth proportional to 41,309.28, 61,925.04 and 20,512.80 is: 30,749.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,309.28 : 61,925.04 = 20,512.80 : x
  2. Step 2: Convert to fraction form
    41,309.28/61,925.04 = 20,512.80/x
  3. Step 3: Cross multiply
    41,309.28x = 61,925.04 × 20,512.80
  4. Step 4: Simplify right side
    41,309.28x = 1,270,255,960.51
  5. Step 5: Solve for x
    x = 1,270,255,960.51/41,309.28
  6. Step 6: Final answer
    x = 30,749.89

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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.