Home / 55,380.10-76,426.32-30,229.60

Finding the Fourth Proportional to 55,380.10, 76,426.32 and 30,229.60

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Solution

The fourth proportional to 55,380.10, 76,426.32 and 30,229.60 is: 41,717.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,380.10 : 76,426.32 = 30,229.60 : x
  2. Step 2: Convert to fraction form
    55,380.10/76,426.32 = 30,229.60/x
  3. Step 3: Cross multiply
    55,380.10x = 76,426.32 × 30,229.60
  4. Step 4: Simplify right side
    55,380.10x = 2,310,337,083.07
  5. Step 5: Solve for x
    x = 2,310,337,083.07/55,380.10
  6. Step 6: Final answer
    x = 41,717.82

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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.