Home / 31,331.28-43,231.74-17,713.10

Finding the Fourth Proportional to 31,331.28, 43,231.74 and 17,713.10

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Solution

The fourth proportional to 31,331.28, 43,231.74 and 17,713.10 is: 24,441.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,331.28 : 43,231.74 = 17,713.10 : x
  2. Step 2: Convert to fraction form
    31,331.28/43,231.74 = 17,713.10/x
  3. Step 3: Cross multiply
    31,331.28x = 43,231.74 × 17,713.10
  4. Step 4: Simplify right side
    31,331.28x = 765,767,950.85
  5. Step 5: Solve for x
    x = 765,767,950.85/31,331.28
  6. Step 6: Final answer
    x = 24,441.01

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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.