Home / 55,336.50-76,364.91-30,186.54

Finding the Fourth Proportional to 55,336.50, 76,364.91 and 30,186.54

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Solution

The fourth proportional to 55,336.50, 76,364.91 and 30,186.54 is: 41,657.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,336.50 : 76,364.91 = 30,186.54 : x
  2. Step 2: Convert to fraction form
    55,336.50/76,364.91 = 30,186.54/x
  3. Step 3: Cross multiply
    55,336.50x = 76,364.91 × 30,186.54
  4. Step 4: Simplify right side
    55,336.50x = 2,305,192,410.31
  5. Step 5: Solve for x
    x = 2,305,192,410.31/55,336.50
  6. Step 6: Final answer
    x = 41,657.72

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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.