Home / 51,216.71-76,822.32-15,678.05

Finding the Fourth Proportional to 51,216.71, 76,822.32 and 15,678.05

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Solution

The fourth proportional to 51,216.71, 76,822.32 and 15,678.05 is: 23,516.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,216.71 : 76,822.32 = 15,678.05 : x
  2. Step 2: Convert to fraction form
    51,216.71/76,822.32 = 15,678.05/x
  3. Step 3: Cross multiply
    51,216.71x = 76,822.32 × 15,678.05
  4. Step 4: Simplify right side
    51,216.71x = 1,204,424,174.08
  5. Step 5: Solve for x
    x = 1,204,424,174.08/51,216.71
  6. Step 6: Final answer
    x = 23,516.23

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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.