Home / 34,299.81-51,451.74-13,239.99

Finding the Fourth Proportional to 34,299.81, 51,451.74 and 13,239.99

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Solution

The fourth proportional to 34,299.81, 51,451.74 and 13,239.99 is: 19,860.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,299.81 : 51,451.74 = 13,239.99 : x
  2. Step 2: Convert to fraction form
    34,299.81/51,451.74 = 13,239.99/x
  3. Step 3: Cross multiply
    34,299.81x = 51,451.74 × 13,239.99
  4. Step 4: Simplify right side
    34,299.81x = 681,220,523.08
  5. Step 5: Solve for x
    x = 681,220,523.08/34,299.81
  6. Step 6: Final answer
    x = 19,860.77

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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.