Home / 31,212,252.72-43,071,935.76-17,272,769.04

Finding the Fourth Proportional to 31,212,252.72, 43,071,935.76 and 17,272,769.04

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Solution

The fourth proportional to 31,212,252.72, 43,071,935.76 and 17,272,769.04 is: 23,835,882.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,212,252.72 : 43,071,935.76 = 17,272,769.04 : x
  2. Step 2: Convert to fraction form
    31,212,252.72/43,071,935.76 = 17,272,769.04/x
  3. Step 3: Cross multiply
    31,212,252.72x = 43,071,935.76 × 17,272,769.04
  4. Step 4: Simplify right side
    31,212,252.72x = 743,971,598,488,196.75
  5. Step 5: Solve for x
    x = 743,971,598,488,196.75/31,212,252.72
  6. Step 6: Final answer
    x = 23,835,882.82

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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.