Home / 31,920.27-44,037.99-18,486.62

Finding the Fourth Proportional to 31,920.27, 44,037.99 and 18,486.62

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Solution

The fourth proportional to 31,920.27, 44,037.99 and 18,486.62 is: 25,504.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,920.27 : 44,037.99 = 18,486.62 : x
  2. Step 2: Convert to fraction form
    31,920.27/44,037.99 = 18,486.62/x
  3. Step 3: Cross multiply
    31,920.27x = 44,037.99 × 18,486.62
  4. Step 4: Simplify right side
    31,920.27x = 814,113,586.69
  5. Step 5: Solve for x
    x = 814,113,586.69/31,920.27
  6. Step 6: Final answer
    x = 25,504.60

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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.