Home / 51,006.16-76,497.09-21,424.56

Finding the Fourth Proportional to 51,006.16, 76,497.09 and 21,424.56

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Solution

The fourth proportional to 51,006.16, 76,497.09 and 21,424.56 is: 32,131.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,006.16 : 76,497.09 = 21,424.56 : x
  2. Step 2: Convert to fraction form
    51,006.16/76,497.09 = 21,424.56/x
  3. Step 3: Cross multiply
    51,006.16x = 76,497.09 × 21,424.56
  4. Step 4: Simplify right side
    51,006.16x = 1,638,916,494.53
  5. Step 5: Solve for x
    x = 1,638,916,494.53/51,006.16
  6. Step 6: Final answer
    x = 32,131.74

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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.