Home / 77,496.46-116,245.28-21,339.65

Finding the Fourth Proportional to 77,496.46, 116,245.28 and 21,339.65

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Solution

The fourth proportional to 77,496.46, 116,245.28 and 21,339.65 is: 32,009.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,496.46 : 116,245.28 = 21,339.65 : x
  2. Step 2: Convert to fraction form
    77,496.46/116,245.28 = 21,339.65/x
  3. Step 3: Cross multiply
    77,496.46x = 116,245.28 × 21,339.65
  4. Step 4: Simplify right side
    77,496.46x = 2,480,633,813.28
  5. Step 5: Solve for x
    x = 2,480,633,813.28/77,496.46
  6. Step 6: Final answer
    x = 32,009.64

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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.