Home / 29,640.11-40,902.77-16,211.32

Finding the Fourth Proportional to 29,640.11, 40,902.77 and 16,211.32

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Solution

The fourth proportional to 29,640.11, 40,902.77 and 16,211.32 is: 22,371.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,640.11 : 40,902.77 = 16,211.32 : x
  2. Step 2: Convert to fraction form
    29,640.11/40,902.77 = 16,211.32/x
  3. Step 3: Cross multiply
    29,640.11x = 40,902.77 × 16,211.32
  4. Step 4: Simplify right side
    29,640.11x = 663,087,893.36
  5. Step 5: Solve for x
    x = 663,087,893.36/29,640.11
  6. Step 6: Final answer
    x = 22,371.31

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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.