Home / 34,530.88-51,807.24-12,343.76

Finding the Fourth Proportional to 34,530.88, 51,807.24 and 12,343.76

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Solution

The fourth proportional to 34,530.88, 51,807.24 and 12,343.76 is: 18,519.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,530.88 : 51,807.24 = 12,343.76 : x
  2. Step 2: Convert to fraction form
    34,530.88/51,807.24 = 12,343.76/x
  3. Step 3: Cross multiply
    34,530.88x = 51,807.24 × 12,343.76
  4. Step 4: Simplify right side
    34,530.88x = 639,496,136.82
  5. Step 5: Solve for x
    x = 639,496,136.82/34,530.88
  6. Step 6: Final answer
    x = 18,519.54

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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.