Home / 47,908.89-66,109.98-26,687.70

Finding the Fourth Proportional to 47,908.89, 66,109.98 and 26,687.70

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Solution

The fourth proportional to 47,908.89, 66,109.98 and 26,687.70 is: 36,826.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,908.89 : 66,109.98 = 26,687.70 : x
  2. Step 2: Convert to fraction form
    47,908.89/66,109.98 = 26,687.70/x
  3. Step 3: Cross multiply
    47,908.89x = 66,109.98 × 26,687.70
  4. Step 4: Simplify right side
    47,908.89x = 1,764,323,313.25
  5. Step 5: Solve for x
    x = 1,764,323,313.25/47,908.89
  6. Step 6: Final answer
    x = 36,826.64

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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.