Home / 35,743.33-49,328.13-20,636.62

Finding the Fourth Proportional to 35,743.33, 49,328.13 and 20,636.62

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Solution

The fourth proportional to 35,743.33, 49,328.13 and 20,636.62 is: 28,479.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,743.33 : 49,328.13 = 20,636.62 : x
  2. Step 2: Convert to fraction form
    35,743.33/49,328.13 = 20,636.62/x
  3. Step 3: Cross multiply
    35,743.33x = 49,328.13 × 20,636.62
  4. Step 4: Simplify right side
    35,743.33x = 1,017,965,960.56
  5. Step 5: Solve for x
    x = 1,017,965,960.56/35,743.33
  6. Step 6: Final answer
    x = 28,479.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.