Home / 55,385.56-76,433.64-30,236.68

Finding the Fourth Proportional to 55,385.56, 76,433.64 and 30,236.68

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Solution

The fourth proportional to 55,385.56, 76,433.64 and 30,236.68 is: 41,727.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,385.56 : 76,433.64 = 30,236.68 : x
  2. Step 2: Convert to fraction form
    55,385.56/76,433.64 = 30,236.68/x
  3. Step 3: Cross multiply
    55,385.56x = 76,433.64 × 30,236.68
  4. Step 4: Simplify right side
    55,385.56x = 2,311,099,513.92
  5. Step 5: Solve for x
    x = 2,311,099,513.92/55,385.56
  6. Step 6: Final answer
    x = 41,727.47

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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.