Home / 77,736.46-116,593.07-21,570.65

Finding the Fourth Proportional to 77,736.46, 116,593.07 and 21,570.65

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Solution

The fourth proportional to 77,736.46, 116,593.07 and 21,570.65 is: 32,352.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,736.46 : 116,593.07 = 21,570.65 : x
  2. Step 2: Convert to fraction form
    77,736.46/116,593.07 = 21,570.65/x
  3. Step 3: Cross multiply
    77,736.46x = 116,593.07 × 21,570.65
  4. Step 4: Simplify right side
    77,736.46x = 2,514,988,828.97
  5. Step 5: Solve for x
    x = 2,514,988,828.97/77,736.46
  6. Step 6: Final answer
    x = 32,352.76

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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.