Home / 29,305.26-40,441.14-15,876.49

Finding the Fourth Proportional to 29,305.26, 40,441.14 and 15,876.49

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Solution

The fourth proportional to 29,305.26, 40,441.14 and 15,876.49 is: 21,909.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,305.26 : 40,441.14 = 15,876.49 : x
  2. Step 2: Convert to fraction form
    29,305.26/40,441.14 = 15,876.49/x
  3. Step 3: Cross multiply
    29,305.26x = 40,441.14 × 15,876.49
  4. Step 4: Simplify right side
    29,305.26x = 642,063,329.52
  5. Step 5: Solve for x
    x = 642,063,329.52/29,305.26
  6. Step 6: Final answer
    x = 21,909.49

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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.