Home / 51,910.07-71,635.91-28,036.76

Finding the Fourth Proportional to 51,910.07, 71,635.91 and 28,036.76

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Solution

The fourth proportional to 51,910.07, 71,635.91 and 28,036.76 is: 38,690.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,910.07 : 71,635.91 = 28,036.76 : x
  2. Step 2: Convert to fraction form
    51,910.07/71,635.91 = 28,036.76/x
  3. Step 3: Cross multiply
    51,910.07x = 71,635.91 × 28,036.76
  4. Step 4: Simplify right side
    51,910.07x = 2,008,438,317.69
  5. Step 5: Solve for x
    x = 2,008,438,317.69/51,910.07
  6. Step 6: Final answer
    x = 38,690.73

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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.