Home / 31,719.26-43,774.02-17,571.20

Finding the Fourth Proportional to 31,719.26, 43,774.02 and 17,571.20

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Solution

The fourth proportional to 31,719.26, 43,774.02 and 17,571.20 is: 24,249.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,719.26 : 43,774.02 = 17,571.20 : x
  2. Step 2: Convert to fraction form
    31,719.26/43,774.02 = 17,571.20/x
  3. Step 3: Cross multiply
    31,719.26x = 43,774.02 × 17,571.20
  4. Step 4: Simplify right side
    31,719.26x = 769,161,841.35
  5. Step 5: Solve for x
    x = 769,161,841.35/31,719.26
  6. Step 6: Final answer
    x = 24,249.05

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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.