Home / 51,767.72-77,653.31-14,324.66

Finding the Fourth Proportional to 51,767.72, 77,653.31 and 14,324.66

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Solution

The fourth proportional to 51,767.72, 77,653.31 and 14,324.66 is: 21,487.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,767.72 : 77,653.31 = 14,324.66 : x
  2. Step 2: Convert to fraction form
    51,767.72/77,653.31 = 14,324.66/x
  3. Step 3: Cross multiply
    51,767.72x = 77,653.31 × 14,324.66
  4. Step 4: Simplify right side
    51,767.72x = 1,112,356,803.73
  5. Step 5: Solve for x
    x = 1,112,356,803.73/51,767.72
  6. Step 6: Final answer
    x = 21,487.46

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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.