Home / 55,171.52-76,172.64-36,340.64

Finding the Fourth Proportional to 55,171.52, 76,172.64 and 36,340.64

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Solution

The fourth proportional to 55,171.52, 76,172.64 and 36,340.64 is: 50,173.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,171.52 : 76,172.64 = 36,340.64 : x
  2. Step 2: Convert to fraction form
    55,171.52/76,172.64 = 36,340.64/x
  3. Step 3: Cross multiply
    55,171.52x = 76,172.64 × 36,340.64
  4. Step 4: Simplify right side
    55,171.52x = 2,768,162,488.09
  5. Step 5: Solve for x
    x = 2,768,162,488.09/55,171.52
  6. Step 6: Final answer
    x = 50,173.76

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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.