Home / 55,108.23-76,044.50-30,579.66

Finding the Fourth Proportional to 55,108.23, 76,044.50 and 30,579.66

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Solution

The fourth proportional to 55,108.23, 76,044.50 and 30,579.66 is: 42,197.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,108.23 : 76,044.50 = 30,579.66 : x
  2. Step 2: Convert to fraction form
    55,108.23/76,044.50 = 30,579.66/x
  3. Step 3: Cross multiply
    55,108.23x = 76,044.50 × 30,579.66
  4. Step 4: Simplify right side
    55,108.23x = 2,325,414,954.87
  5. Step 5: Solve for x
    x = 2,325,414,954.87/55,108.23
  6. Step 6: Final answer
    x = 42,197.23

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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.