Home / 51,247.20-76,894.52-19,646.69

Finding the Fourth Proportional to 51,247.20, 76,894.52 and 19,646.69

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Solution

The fourth proportional to 51,247.20, 76,894.52 and 19,646.69 is: 29,479.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,247.20 : 76,894.52 = 19,646.69 : x
  2. Step 2: Convert to fraction form
    51,247.20/76,894.52 = 19,646.69/x
  3. Step 3: Cross multiply
    51,247.20x = 76,894.52 × 19,646.69
  4. Step 4: Simplify right side
    51,247.20x = 1,510,722,846.26
  5. Step 5: Solve for x
    x = 1,510,722,846.26/51,247.20
  6. Step 6: Final answer
    x = 29,479.13

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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.