Home / 29,371.87-40,532.09-15,942.84

Finding the Fourth Proportional to 29,371.87, 40,532.09 and 15,942.84

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Solution

The fourth proportional to 29,371.87, 40,532.09 and 15,942.84 is: 22,000.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,371.87 : 40,532.09 = 15,942.84 : x
  2. Step 2: Convert to fraction form
    29,371.87/40,532.09 = 15,942.84/x
  3. Step 3: Cross multiply
    29,371.87x = 40,532.09 × 15,942.84
  4. Step 4: Simplify right side
    29,371.87x = 646,196,625.74
  5. Step 5: Solve for x
    x = 646,196,625.74/29,371.87
  6. Step 6: Final answer
    x = 22,000.53

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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.