Home / 29,305.35-40,441.37-15,876.59

Finding the Fourth Proportional to 29,305.35, 40,441.37 and 15,876.59

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Solution

The fourth proportional to 29,305.35, 40,441.37 and 15,876.59 is: 21,909.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,305.35 : 40,441.37 = 15,876.59 : x
  2. Step 2: Convert to fraction form
    29,305.35/40,441.37 = 15,876.59/x
  3. Step 3: Cross multiply
    29,305.35x = 40,441.37 × 15,876.59
  4. Step 4: Simplify right side
    29,305.35x = 642,070,768.94
  5. Step 5: Solve for x
    x = 642,070,768.94/29,305.35
  6. Step 6: Final answer
    x = 21,909.68

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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.