Home / 47,269.43-70,917.30-20,617.75

Finding the Fourth Proportional to 47,269.43, 70,917.30 and 20,617.75

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Solution

The fourth proportional to 47,269.43, 70,917.30 and 20,617.75 is: 30,932.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,269.43 : 70,917.30 = 20,617.75 : x
  2. Step 2: Convert to fraction form
    47,269.43/70,917.30 = 20,617.75/x
  3. Step 3: Cross multiply
    47,269.43x = 70,917.30 × 20,617.75
  4. Step 4: Simplify right side
    47,269.43x = 1,462,155,162.08
  5. Step 5: Solve for x
    x = 1,462,155,162.08/47,269.43
  6. Step 6: Final answer
    x = 30,932.36

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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.