Home / 47,948.97-66,170.09-26,438.75

Finding the Fourth Proportional to 47,948.97, 66,170.09 and 26,438.75

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Solution

The fourth proportional to 47,948.97, 66,170.09 and 26,438.75 is: 36,485.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,948.97 : 66,170.09 = 26,438.75 : x
  2. Step 2: Convert to fraction form
    47,948.97/66,170.09 = 26,438.75/x
  3. Step 3: Cross multiply
    47,948.97x = 66,170.09 × 26,438.75
  4. Step 4: Simplify right side
    47,948.97x = 1,749,454,466.99
  5. Step 5: Solve for x
    x = 1,749,454,466.99/47,948.97
  6. Step 6: Final answer
    x = 36,485.76

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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.