Home / 47,255.25-70,881.33-19,174.62

Finding the Fourth Proportional to 47,255.25, 70,881.33 and 19,174.62

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Solution

The fourth proportional to 47,255.25, 70,881.33 and 19,174.62 is: 28,761.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,255.25 : 70,881.33 = 19,174.62 : x
  2. Step 2: Convert to fraction form
    47,255.25/70,881.33 = 19,174.62/x
  3. Step 3: Cross multiply
    47,255.25x = 70,881.33 × 19,174.62
  4. Step 4: Simplify right side
    47,255.25x = 1,359,122,567.84
  5. Step 5: Solve for x
    x = 1,359,122,567.84/47,255.25
  6. Step 6: Final answer
    x = 28,761.30

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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.