Home / 55,489.32-76,575.54-30,338.82

Finding the Fourth Proportional to 55,489.32, 76,575.54 and 30,338.82

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Solution

The fourth proportional to 55,489.32, 76,575.54 and 30,338.82 is: 41,867.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,489.32 : 76,575.54 = 30,338.82 : x
  2. Step 2: Convert to fraction form
    55,489.32/76,575.54 = 30,338.82/x
  3. Step 3: Cross multiply
    55,489.32x = 76,575.54 × 30,338.82
  4. Step 4: Simplify right side
    55,489.32x = 2,323,211,524.46
  5. Step 5: Solve for x
    x = 2,323,211,524.46/55,489.32
  6. Step 6: Final answer
    x = 41,867.72

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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.