Home / 51,098.99-76,652.30-13,658.21

Finding the Fourth Proportional to 51,098.99, 76,652.30 and 13,658.21

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Solution

The fourth proportional to 51,098.99, 76,652.30 and 13,658.21 is: 20,488.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,098.99 : 76,652.30 = 13,658.21 : x
  2. Step 2: Convert to fraction form
    51,098.99/76,652.30 = 13,658.21/x
  3. Step 3: Cross multiply
    51,098.99x = 76,652.30 × 13,658.21
  4. Step 4: Simplify right side
    51,098.99x = 1,046,932,758.83
  5. Step 5: Solve for x
    x = 1,046,932,758.83/51,098.99
  6. Step 6: Final answer
    x = 20,488.33

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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.