Home / 64,639.38-96,960.29-20,265.15

Finding the Fourth Proportional to 64,639.38, 96,960.29 and 20,265.15

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Solution

The fourth proportional to 64,639.38, 96,960.29 and 20,265.15 is: 30,398.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,639.38 : 96,960.29 = 20,265.15 : x
  2. Step 2: Convert to fraction form
    64,639.38/96,960.29 = 20,265.15/x
  3. Step 3: Cross multiply
    64,639.38x = 96,960.29 × 20,265.15
  4. Step 4: Simplify right side
    64,639.38x = 1,964,914,719.57
  5. Step 5: Solve for x
    x = 1,964,914,719.57/64,639.38
  6. Step 6: Final answer
    x = 30,398.11

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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.