Home / 47,915.03-71,886.42-19,829.90

Finding the Fourth Proportional to 47,915.03, 71,886.42 and 19,829.90

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Solution

The fourth proportional to 47,915.03, 71,886.42 and 19,829.90 is: 29,750.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,915.03 : 71,886.42 = 19,829.90 : x
  2. Step 2: Convert to fraction form
    47,915.03/71,886.42 = 19,829.90/x
  3. Step 3: Cross multiply
    47,915.03x = 71,886.42 × 19,829.90
  4. Step 4: Simplify right side
    47,915.03x = 1,425,500,519.96
  5. Step 5: Solve for x
    x = 1,425,500,519.96/47,915.03
  6. Step 6: Final answer
    x = 29,750.59

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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.