Home / 47,908.10-66,115.17-26,687.36

Finding the Fourth Proportional to 47,908.10, 66,115.17 and 26,687.36

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Solution

The fourth proportional to 47,908.10, 66,115.17 and 26,687.36 is: 36,829.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,908.10 : 66,115.17 = 26,687.36 : x
  2. Step 2: Convert to fraction form
    47,908.10/66,115.17 = 26,687.36/x
  3. Step 3: Cross multiply
    47,908.10x = 66,115.17 × 26,687.36
  4. Step 4: Simplify right side
    47,908.10x = 1,764,439,343.25
  5. Step 5: Solve for x
    x = 1,764,439,343.25/47,908.10
  6. Step 6: Final answer
    x = 36,829.67

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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.