Home / 55,336.45-82,955.36-20,267.90

Finding the Fourth Proportional to 55,336.45, 82,955.36 and 20,267.90

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Solution

The fourth proportional to 55,336.45, 82,955.36 and 20,267.90 is: 30,383.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,336.45 : 82,955.36 = 20,267.90 : x
  2. Step 2: Convert to fraction form
    55,336.45/82,955.36 = 20,267.90/x
  3. Step 3: Cross multiply
    55,336.45x = 82,955.36 × 20,267.90
  4. Step 4: Simplify right side
    55,336.45x = 1,681,331,199.00
  5. Step 5: Solve for x
    x = 1,681,331,199.00/55,336.45
  6. Step 6: Final answer
    x = 30,383.79

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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.