Home / 47,211.39-65,143.44-28,348.92

Finding the Fourth Proportional to 47,211.39, 65,143.44 and 28,348.92

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Solution

The fourth proportional to 47,211.39, 65,143.44 and 28,348.92 is: 39,116.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,211.39 : 65,143.44 = 28,348.92 : x
  2. Step 2: Convert to fraction form
    47,211.39/65,143.44 = 28,348.92/x
  3. Step 3: Cross multiply
    47,211.39x = 65,143.44 × 28,348.92
  4. Step 4: Simplify right side
    47,211.39x = 1,846,746,169.08
  5. Step 5: Solve for x
    x = 1,846,746,169.08/47,211.39
  6. Step 6: Final answer
    x = 39,116.54

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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.