Home / 47,455.75-71,156.67-19,342.88

Finding the Fourth Proportional to 47,455.75, 71,156.67 and 19,342.88

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Solution

The fourth proportional to 47,455.75, 71,156.67 and 19,342.88 is: 29,003.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,455.75 : 71,156.67 = 19,342.88 : x
  2. Step 2: Convert to fraction form
    47,455.75/71,156.67 = 19,342.88/x
  3. Step 3: Cross multiply
    47,455.75x = 71,156.67 × 19,342.88
  4. Step 4: Simplify right side
    47,455.75x = 1,376,374,929.01
  5. Step 5: Solve for x
    x = 1,376,374,929.01/47,455.75
  6. Step 6: Final answer
    x = 29,003.33

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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.