Home / 35,533.80-53,286.30-12,148.20

Finding the Fourth Proportional to 35,533.80, 53,286.30 and 12,148.20

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Solution

The fourth proportional to 35,533.80, 53,286.30 and 12,148.20 is: 18,217.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,533.80 : 53,286.30 = 12,148.20 : x
  2. Step 2: Convert to fraction form
    35,533.80/53,286.30 = 12,148.20/x
  3. Step 3: Cross multiply
    35,533.80x = 53,286.30 × 12,148.20
  4. Step 4: Simplify right side
    35,533.80x = 647,332,629.66
  5. Step 5: Solve for x
    x = 647,332,629.66/35,533.80
  6. Step 6: Final answer
    x = 18,217.38

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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.