Home / 29,371.58-40,531.68-15,942.54

Finding the Fourth Proportional to 29,371.58, 40,531.68 and 15,942.54

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Solution

The fourth proportional to 29,371.58, 40,531.68 and 15,942.54 is: 22,000.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,371.58 : 40,531.68 = 15,942.54 : x
  2. Step 2: Convert to fraction form
    29,371.58/40,531.68 = 15,942.54/x
  3. Step 3: Cross multiply
    29,371.58x = 40,531.68 × 15,942.54
  4. Step 4: Simplify right side
    29,371.58x = 646,178,081.66
  5. Step 5: Solve for x
    x = 646,178,081.66/29,371.58
  6. Step 6: Final answer
    x = 22,000.11

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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.