Home / 77,006.62-115,514.02-21,606.94

Finding the Fourth Proportional to 77,006.62, 115,514.02 and 21,606.94

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Solution

The fourth proportional to 77,006.62, 115,514.02 and 21,606.94 is: 32,411.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,006.62 : 115,514.02 = 21,606.94 : x
  2. Step 2: Convert to fraction form
    77,006.62/115,514.02 = 21,606.94/x
  3. Step 3: Cross multiply
    77,006.62x = 115,514.02 × 21,606.94
  4. Step 4: Simplify right side
    77,006.62x = 2,495,904,499.30
  5. Step 5: Solve for x
    x = 2,495,904,499.30/77,006.62
  6. Step 6: Final answer
    x = 32,411.56

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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.