Home / 55,311.66-76,330.13-30,161.16

Finding the Fourth Proportional to 55,311.66, 76,330.13 and 30,161.16

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Solution

The fourth proportional to 55,311.66, 76,330.13 and 30,161.16 is: 41,622.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,311.66 : 76,330.13 = 30,161.16 : x
  2. Step 2: Convert to fraction form
    55,311.66/76,330.13 = 30,161.16/x
  3. Step 3: Cross multiply
    55,311.66x = 76,330.13 × 30,161.16
  4. Step 4: Simplify right side
    55,311.66x = 2,302,205,112.95
  5. Step 5: Solve for x
    x = 2,302,205,112.95/55,311.66
  6. Step 6: Final answer
    x = 41,622.42

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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.