Home / 55,489.43-76,575.74-30,338.93

Finding the Fourth Proportional to 55,489.43, 76,575.74 and 30,338.93

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Solution

The fourth proportional to 55,489.43, 76,575.74 and 30,338.93 is: 41,867.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,489.43 : 76,575.74 = 30,338.93 : x
  2. Step 2: Convert to fraction form
    55,489.43/76,575.74 = 30,338.93/x
  3. Step 3: Cross multiply
    55,489.43x = 76,575.74 × 30,338.93
  4. Step 4: Simplify right side
    55,489.43x = 2,323,226,015.56
  5. Step 5: Solve for x
    x = 2,323,226,015.56/55,489.43
  6. Step 6: Final answer
    x = 41,867.90

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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.