Home / 55,632.11-76,772.00-30,138.97

Finding the Fourth Proportional to 55,632.11, 76,772.00 and 30,138.97

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Solution

The fourth proportional to 55,632.11, 76,772.00 and 30,138.97 is: 41,591.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,632.11 : 76,772.00 = 30,138.97 : x
  2. Step 2: Convert to fraction form
    55,632.11/76,772.00 = 30,138.97/x
  3. Step 3: Cross multiply
    55,632.11x = 76,772.00 × 30,138.97
  4. Step 4: Simplify right side
    55,632.11x = 2,313,829,165.36
  5. Step 5: Solve for x
    x = 2,313,829,165.36/55,632.11
  6. Step 6: Final answer
    x = 41,591.61

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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.