Home / 34,217.37-51,338.79-20,917.62

Finding the Fourth Proportional to 34,217.37, 51,338.79 and 20,917.62

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Solution

The fourth proportional to 34,217.37, 51,338.79 and 20,917.62 is: 31,384.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,217.37 : 51,338.79 = 20,917.62 : x
  2. Step 2: Convert to fraction form
    34,217.37/51,338.79 = 20,917.62/x
  3. Step 3: Cross multiply
    34,217.37x = 51,338.79 × 20,917.62
  4. Step 4: Simplify right side
    34,217.37x = 1,073,885,300.48
  5. Step 5: Solve for x
    x = 1,073,885,300.48/34,217.37
  6. Step 6: Final answer
    x = 31,384.22

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1.5x scale

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.