Home / 47,390.40-71,061.82-15,789.35

Finding the Fourth Proportional to 47,390.40, 71,061.82 and 15,789.35

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Solution

The fourth proportional to 47,390.40, 71,061.82 and 15,789.35 is: 23,676.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,390.40 : 71,061.82 = 15,789.35 : x
  2. Step 2: Convert to fraction form
    47,390.40/71,061.82 = 15,789.35/x
  3. Step 3: Cross multiply
    47,390.40x = 71,061.82 × 15,789.35
  4. Step 4: Simplify right side
    47,390.40x = 1,122,019,592.31
  5. Step 5: Solve for x
    x = 1,122,019,592.31/47,390.40
  6. Step 6: Final answer
    x = 23,676.09

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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.