Home / 51,466.91-77,222.57-19,899.20

Finding the Fourth Proportional to 51,466.91, 77,222.57 and 19,899.20

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Solution

The fourth proportional to 51,466.91, 77,222.57 and 19,899.20 is: 29,857.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,466.91 : 77,222.57 = 19,899.20 : x
  2. Step 2: Convert to fraction form
    51,466.91/77,222.57 = 19,899.20/x
  3. Step 3: Cross multiply
    51,466.91x = 77,222.57 × 19,899.20
  4. Step 4: Simplify right side
    51,466.91x = 1,536,667,034.89
  5. Step 5: Solve for x
    x = 1,536,667,034.89/51,466.91
  6. Step 6: Final answer
    x = 29,857.38

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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.