Home / 37,418.17-51,645.93-21,511.87

Finding the Fourth Proportional to 37,418.17, 51,645.93 and 21,511.87

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Solution

The fourth proportional to 37,418.17, 51,645.93 and 21,511.87 is: 29,691.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,418.17 : 51,645.93 = 21,511.87 : x
  2. Step 2: Convert to fraction form
    37,418.17/51,645.93 = 21,511.87/x
  3. Step 3: Cross multiply
    37,418.17x = 51,645.93 × 21,511.87
  4. Step 4: Simplify right side
    37,418.17x = 1,111,000,532.19
  5. Step 5: Solve for x
    x = 1,111,000,532.19/37,418.17
  6. Step 6: Final answer
    x = 29,691.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.