Home / 31,966.05-47,915.79-17,905.46

Finding the Fourth Proportional to 31,966.05, 47,915.79 and 17,905.46

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Solution

The fourth proportional to 31,966.05, 47,915.79 and 17,905.46 is: 26,839.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,966.05 : 47,915.79 = 17,905.46 : x
  2. Step 2: Convert to fraction form
    31,966.05/47,915.79 = 17,905.46/x
  3. Step 3: Cross multiply
    31,966.05x = 47,915.79 × 17,905.46
  4. Step 4: Simplify right side
    31,966.05x = 857,954,261.21
  5. Step 5: Solve for x
    x = 857,954,261.21/31,966.05
  6. Step 6: Final answer
    x = 26,839.55

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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.