Home / 47,171.92-70,733.52-13,887.66

Finding the Fourth Proportional to 47,171.92, 70,733.52 and 13,887.66

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Solution

The fourth proportional to 47,171.92, 70,733.52 and 13,887.66 is: 20,824.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,171.92 : 70,733.52 = 13,887.66 : x
  2. Step 2: Convert to fraction form
    47,171.92/70,733.52 = 13,887.66/x
  3. Step 3: Cross multiply
    47,171.92x = 70,733.52 × 13,887.66
  4. Step 4: Simplify right side
    47,171.92x = 982,323,076.36
  5. Step 5: Solve for x
    x = 982,323,076.36/47,171.92
  6. Step 6: Final answer
    x = 20,824.32

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1.5x scale

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.