Home / 55,508.50-76,601.79-30,358.06

Finding the Fourth Proportional to 55,508.50, 76,601.79 and 30,358.06

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Solution

The fourth proportional to 55,508.50, 76,601.79 and 30,358.06 is: 41,894.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,508.50 : 76,601.79 = 30,358.06 : x
  2. Step 2: Convert to fraction form
    55,508.50/76,601.79 = 30,358.06/x
  3. Step 3: Cross multiply
    55,508.50x = 76,601.79 × 30,358.06
  4. Step 4: Simplify right side
    55,508.50x = 2,325,481,736.93
  5. Step 5: Solve for x
    x = 2,325,481,736.93/55,508.50
  6. Step 6: Final answer
    x = 41,894.16

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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.