Home / 51,788.21-77,683.99-14,348.65

Finding the Fourth Proportional to 51,788.21, 77,683.99 and 14,348.65

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Solution

The fourth proportional to 51,788.21, 77,683.99 and 14,348.65 is: 21,523.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,788.21 : 77,683.99 = 14,348.65 : x
  2. Step 2: Convert to fraction form
    51,788.21/77,683.99 = 14,348.65/x
  3. Step 3: Cross multiply
    51,788.21x = 77,683.99 × 14,348.65
  4. Step 4: Simplify right side
    51,788.21x = 1,114,660,153.03
  5. Step 5: Solve for x
    x = 1,114,660,153.03/51,788.21
  6. Step 6: Final answer
    x = 21,523.43

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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.