Home / 29,400.27-40,571.22-15,971.22

Finding the Fourth Proportional to 29,400.27, 40,571.22 and 15,971.22

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Solution

The fourth proportional to 29,400.27, 40,571.22 and 15,971.22 is: 22,039.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,400.27 : 40,571.22 = 15,971.22 : x
  2. Step 2: Convert to fraction form
    29,400.27/40,571.22 = 15,971.22/x
  3. Step 3: Cross multiply
    29,400.27x = 40,571.22 × 15,971.22
  4. Step 4: Simplify right side
    29,400.27x = 647,971,880.29
  5. Step 5: Solve for x
    x = 647,971,880.29/29,400.27
  6. Step 6: Final answer
    x = 22,039.66

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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.