Home / 39,960.29-55,143.83-22,053.62

Finding the Fourth Proportional to 39,960.29, 55,143.83 and 22,053.62

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Solution

The fourth proportional to 39,960.29, 55,143.83 and 22,053.62 is: 30,433.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,960.29 : 55,143.83 = 22,053.62 : x
  2. Step 2: Convert to fraction form
    39,960.29/55,143.83 = 22,053.62/x
  3. Step 3: Cross multiply
    39,960.29x = 55,143.83 × 22,053.62
  4. Step 4: Simplify right side
    39,960.29x = 1,216,120,686.18
  5. Step 5: Solve for x
    x = 1,216,120,686.18/39,960.29
  6. Step 6: Final answer
    x = 30,433.23

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1.5x scale

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.