Home / 39,956.28-59,915.88-23,321.12

Finding the Fourth Proportional to 39,956.28, 59,915.88 and 23,321.12

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Solution

The fourth proportional to 39,956.28, 59,915.88 and 23,321.12 is: 34,970.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,956.28 : 59,915.88 = 23,321.12 : x
  2. Step 2: Convert to fraction form
    39,956.28/59,915.88 = 23,321.12/x
  3. Step 3: Cross multiply
    39,956.28x = 59,915.88 × 23,321.12
  4. Step 4: Simplify right side
    39,956.28x = 1,397,305,427.39
  5. Step 5: Solve for x
    x = 1,397,305,427.39/39,956.28
  6. Step 6: Final answer
    x = 34,970.86

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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.