Home / 51,794.16-77,691.12-20,622

Finding the Fourth Proportional to 51,794.16, 77,691.12 and 20,622

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Solution

The fourth proportional to 51,794.16, 77,691.12 and 20,622 is: 30,932.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,794.16 : 77,691.12 = 20,622 : x
  2. Step 2: Convert to fraction form
    51,794.16/77,691.12 = 20,622/x
  3. Step 3: Cross multiply
    51,794.16x = 77,691.12 × 20,622
  4. Step 4: Simplify right side
    51,794.16x = 1,602,146,276.64
  5. Step 5: Solve for x
    x = 1,602,146,276.64/51,794.16
  6. Step 6: Final answer
    x = 30,932.95

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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.