Home / 55,507.04-76,600.32-30,356

Finding the Fourth Proportional to 55,507.04, 76,600.32 and 30,356

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Solution

The fourth proportional to 55,507.04, 76,600.32 and 30,356 is: 41,891.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,507.04 : 76,600.32 = 30,356 : x
  2. Step 2: Convert to fraction form
    55,507.04/76,600.32 = 30,356/x
  3. Step 3: Cross multiply
    55,507.04x = 76,600.32 × 30,356
  4. Step 4: Simplify right side
    55,507.04x = 2,325,279,313.92
  5. Step 5: Solve for x
    x = 2,325,279,313.92/55,507.04
  6. Step 6: Final answer
    x = 41,891.61

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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.