Home / 47,310.30-65,255.49-38,358.18

Finding the Fourth Proportional to 47,310.30, 65,255.49 and 38,358.18

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Solution

The fourth proportional to 47,310.30, 65,255.49 and 38,358.18 is: 52,907.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,310.30 : 65,255.49 = 38,358.18 : x
  2. Step 2: Convert to fraction form
    47,310.30/65,255.49 = 38,358.18/x
  3. Step 3: Cross multiply
    47,310.30x = 65,255.49 × 38,358.18
  4. Step 4: Simplify right side
    47,310.30x = 2,503,081,831.41
  5. Step 5: Solve for x
    x = 2,503,081,831.41/47,310.30
  6. Step 6: Final answer
    x = 52,907.76

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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.