Home / 51,813.53-77,721.61-38,748.84

Finding the Fourth Proportional to 51,813.53, 77,721.61 and 38,748.84

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Solution

The fourth proportional to 51,813.53, 77,721.61 and 38,748.84 is: 58,124.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,813.53 : 77,721.61 = 38,748.84 : x
  2. Step 2: Convert to fraction form
    51,813.53/77,721.61 = 38,748.84/x
  3. Step 3: Cross multiply
    51,813.53x = 77,721.61 × 38,748.84
  4. Step 4: Simplify right side
    51,813.53x = 3,011,622,230.43
  5. Step 5: Solve for x
    x = 3,011,622,230.43/51,813.53
  6. Step 6: Final answer
    x = 58,124.24

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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.