Home / 47,910.39-66,112.05-26,689.20

Finding the Fourth Proportional to 47,910.39, 66,112.05 and 26,689.20

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Solution

The fourth proportional to 47,910.39, 66,112.05 and 26,689.20 is: 36,828.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,910.39 : 66,112.05 = 26,689.20 : x
  2. Step 2: Convert to fraction form
    47,910.39/66,112.05 = 26,689.20/x
  3. Step 3: Cross multiply
    47,910.39x = 66,112.05 × 26,689.20
  4. Step 4: Simplify right side
    47,910.39x = 1,764,477,724.86
  5. Step 5: Solve for x
    x = 1,764,477,724.86/47,910.39
  6. Step 6: Final answer
    x = 36,828.71

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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.