Home / 55,553.82-76,664.42-30,403.32

Finding the Fourth Proportional to 55,553.82, 76,664.42 and 30,403.32

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Solution

The fourth proportional to 55,553.82, 76,664.42 and 30,403.32 is: 41,956.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,553.82 : 76,664.42 = 30,403.32 : x
  2. Step 2: Convert to fraction form
    55,553.82/76,664.42 = 30,403.32/x
  3. Step 3: Cross multiply
    55,553.82x = 76,664.42 × 30,403.32
  4. Step 4: Simplify right side
    55,553.82x = 2,330,852,741.86
  5. Step 5: Solve for x
    x = 2,330,852,741.86/55,553.82
  6. Step 6: Final answer
    x = 41,956.66

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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.