Home / 74,717.84-112,043.75-21,397.73

Finding the Fourth Proportional to 74,717.84, 112,043.75 and 21,397.73

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Solution

The fourth proportional to 74,717.84, 112,043.75 and 21,397.73 is: 32,087.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,717.84 : 112,043.75 = 21,397.73 : x
  2. Step 2: Convert to fraction form
    74,717.84/112,043.75 = 21,397.73/x
  3. Step 3: Cross multiply
    74,717.84x = 112,043.75 × 21,397.73
  4. Step 4: Simplify right side
    74,717.84x = 2,397,481,743.89
  5. Step 5: Solve for x
    x = 2,397,481,743.89/74,717.84
  6. Step 6: Final answer
    x = 32,087.14

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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.