Home / 31,734.74-47,550.18-19,258.60

Finding the Fourth Proportional to 31,734.74, 47,550.18 and 19,258.60

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Solution

The fourth proportional to 31,734.74, 47,550.18 and 19,258.60 is: 28,856.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,734.74 : 47,550.18 = 19,258.60 : x
  2. Step 2: Convert to fraction form
    31,734.74/47,550.18 = 19,258.60/x
  3. Step 3: Cross multiply
    31,734.74x = 47,550.18 × 19,258.60
  4. Step 4: Simplify right side
    31,734.74x = 915,749,896.55
  5. Step 5: Solve for x
    x = 915,749,896.55/31,734.74
  6. Step 6: Final answer
    x = 28,856.39

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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.