Home / 51,466.30-77,145.92-19,898.04

Finding the Fourth Proportional to 51,466.30, 77,145.92 and 19,898.04

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Solution

The fourth proportional to 51,466.30, 77,145.92 and 19,898.04 is: 29,826.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,466.30 : 77,145.92 = 19,898.04 : x
  2. Step 2: Convert to fraction form
    51,466.30/77,145.92 = 19,898.04/x
  3. Step 3: Cross multiply
    51,466.30x = 77,145.92 × 19,898.04
  4. Step 4: Simplify right side
    51,466.30x = 1,535,052,651.74
  5. Step 5: Solve for x
    x = 1,535,052,651.74/51,466.30
  6. Step 6: Final answer
    x = 29,826.37

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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.