Home / 47,370.39-65,362.05-28,508.73

Finding the Fourth Proportional to 47,370.39, 65,362.05 and 28,508.73

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Solution

The fourth proportional to 47,370.39, 65,362.05 and 28,508.73 is: 39,336.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,370.39 : 65,362.05 = 28,508.73 : x
  2. Step 2: Convert to fraction form
    47,370.39/65,362.05 = 28,508.73/x
  3. Step 3: Cross multiply
    47,370.39x = 65,362.05 × 28,508.73
  4. Step 4: Simplify right side
    47,370.39x = 1,863,389,035.70
  5. Step 5: Solve for x
    x = 1,863,389,035.70/47,370.39
  6. Step 6: Final answer
    x = 39,336.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.