Home / 51,453.72-77,110.74-21,834.42

Finding the Fourth Proportional to 51,453.72, 77,110.74 and 21,834.42

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Solution

The fourth proportional to 51,453.72, 77,110.74 and 21,834.42 is: 32,721.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,453.72 : 77,110.74 = 21,834.42 : x
  2. Step 2: Convert to fraction form
    51,453.72/77,110.74 = 21,834.42/x
  3. Step 3: Cross multiply
    51,453.72x = 77,110.74 × 21,834.42
  4. Step 4: Simplify right side
    51,453.72x = 1,683,668,283.67
  5. Step 5: Solve for x
    x = 1,683,668,283.67/51,453.72
  6. Step 6: Final answer
    x = 32,721.99

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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.