Home / 29,640.77-40,904.17-16,028.71

Finding the Fourth Proportional to 29,640.77, 40,904.17 and 16,028.71

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Solution

The fourth proportional to 29,640.77, 40,904.17 and 16,028.71 is: 22,119.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,640.77 : 40,904.17 = 16,028.71 : x
  2. Step 2: Convert to fraction form
    29,640.77/40,904.17 = 16,028.71/x
  3. Step 3: Cross multiply
    29,640.77x = 40,904.17 × 16,028.71
  4. Step 4: Simplify right side
    29,640.77x = 655,641,078.72
  5. Step 5: Solve for x
    x = 655,641,078.72/29,640.77
  6. Step 6: Final answer
    x = 22,119.57

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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.