Home / 47,828.76-71,741.52-12,766.56

Finding the Fourth Proportional to 47,828.76, 71,741.52 and 12,766.56

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Solution

The fourth proportional to 47,828.76, 71,741.52 and 12,766.56 is: 19,149.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,828.76 : 71,741.52 = 12,766.56 : x
  2. Step 2: Convert to fraction form
    47,828.76/71,741.52 = 12,766.56/x
  3. Step 3: Cross multiply
    47,828.76x = 71,741.52 × 12,766.56
  4. Step 4: Simplify right side
    47,828.76x = 915,892,419.57
  5. Step 5: Solve for x
    x = 915,892,419.57/47,828.76
  6. Step 6: Final answer
    x = 19,149.41

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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.