Home / 29,447.37-40,639.19-16,876.17

Finding the Fourth Proportional to 29,447.37, 40,639.19 and 16,876.17

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Solution

The fourth proportional to 29,447.37, 40,639.19 and 16,876.17 is: 23,290.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,447.37 : 40,639.19 = 16,876.17 : x
  2. Step 2: Convert to fraction form
    29,447.37/40,639.19 = 16,876.17/x
  3. Step 3: Cross multiply
    29,447.37x = 40,639.19 × 16,876.17
  4. Step 4: Simplify right side
    29,447.37x = 685,833,794.72
  5. Step 5: Solve for x
    x = 685,833,794.72/29,447.37
  6. Step 6: Final answer
    x = 23,290.15

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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.