Home / 51,680.35-77,506.65-14,231.51

Finding the Fourth Proportional to 51,680.35, 77,506.65 and 14,231.51

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Solution

The fourth proportional to 51,680.35, 77,506.65 and 14,231.51 is: 21,343.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,680.35 : 77,506.65 = 14,231.51 : x
  2. Step 2: Convert to fraction form
    51,680.35/77,506.65 = 14,231.51/x
  3. Step 3: Cross multiply
    51,680.35x = 77,506.65 × 14,231.51
  4. Step 4: Simplify right side
    51,680.35x = 1,103,036,664.54
  5. Step 5: Solve for x
    x = 1,103,036,664.54/51,680.35
  6. Step 6: Final answer
    x = 21,343.44

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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.