Home / 31,635.75-43,653.55-17,486.67

Finding the Fourth Proportional to 31,635.75, 43,653.55 and 17,486.67

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Solution

The fourth proportional to 31,635.75, 43,653.55 and 17,486.67 is: 24,129.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,635.75 : 43,653.55 = 17,486.67 : x
  2. Step 2: Convert to fraction form
    31,635.75/43,653.55 = 17,486.67/x
  3. Step 3: Cross multiply
    31,635.75x = 43,653.55 × 17,486.67
  4. Step 4: Simplify right side
    31,635.75x = 763,355,135.75
  5. Step 5: Solve for x
    x = 763,355,135.75/31,635.75
  6. Step 6: Final answer
    x = 24,129.51

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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.