Home / 34,717.74-47,915.25-21,286.62

Finding the Fourth Proportional to 34,717.74, 47,915.25 and 21,286.62

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Solution

The fourth proportional to 34,717.74, 47,915.25 and 21,286.62 is: 29,378.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,717.74 : 47,915.25 = 21,286.62 : x
  2. Step 2: Convert to fraction form
    34,717.74/47,915.25 = 21,286.62/x
  3. Step 3: Cross multiply
    34,717.74x = 47,915.25 × 21,286.62
  4. Step 4: Simplify right side
    34,717.74x = 1,019,953,718.96
  5. Step 5: Solve for x
    x = 1,019,953,718.96/34,717.74
  6. Step 6: Final answer
    x = 29,378.46

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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.