Home / 29,399.86-40,571.62-15,971.01

Finding the Fourth Proportional to 29,399.86, 40,571.62 and 15,971.01

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Solution

The fourth proportional to 29,399.86, 40,571.62 and 15,971.01 is: 22,039.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,399.86 : 40,571.62 = 15,971.01 : x
  2. Step 2: Convert to fraction form
    29,399.86/40,571.62 = 15,971.01/x
  3. Step 3: Cross multiply
    29,399.86x = 40,571.62 × 15,971.01
  4. Step 4: Simplify right side
    29,399.86x = 647,969,748.74
  5. Step 5: Solve for x
    x = 647,969,748.74/29,399.86
  6. Step 6: Final answer
    x = 22,039.89

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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.