Home / 77,301.33-115,950.35-21,141.44

Finding the Fourth Proportional to 77,301.33, 115,950.35 and 21,141.44

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Solution

The fourth proportional to 77,301.33, 115,950.35 and 21,141.44 is: 31,711.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,301.33 : 115,950.35 = 21,141.44 : x
  2. Step 2: Convert to fraction form
    77,301.33/115,950.35 = 21,141.44/x
  3. Step 3: Cross multiply
    77,301.33x = 115,950.35 × 21,141.44
  4. Step 4: Simplify right side
    77,301.33x = 2,451,357,334.27
  5. Step 5: Solve for x
    x = 2,451,357,334.27/77,301.33
  6. Step 6: Final answer
    x = 31,711.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.