Home / 47,720.91-71,519.09-26,660.10

Finding the Fourth Proportional to 47,720.91, 71,519.09 and 26,660.10

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Solution

The fourth proportional to 47,720.91, 71,519.09 and 26,660.10 is: 39,955.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,720.91 : 71,519.09 = 26,660.10 : x
  2. Step 2: Convert to fraction form
    47,720.91/71,519.09 = 26,660.10/x
  3. Step 3: Cross multiply
    47,720.91x = 71,519.09 × 26,660.10
  4. Step 4: Simplify right side
    47,720.91x = 1,906,706,091.31
  5. Step 5: Solve for x
    x = 1,906,706,091.31/47,720.91
  6. Step 6: Final answer
    x = 39,955.36

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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.