Home / 55,715.36-76,886.74-30,221.66

Finding the Fourth Proportional to 55,715.36, 76,886.74 and 30,221.66

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Solution

The fourth proportional to 55,715.36, 76,886.74 and 30,221.66 is: 41,705.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,715.36 : 76,886.74 = 30,221.66 : x
  2. Step 2: Convert to fraction form
    55,715.36/76,886.74 = 30,221.66/x
  3. Step 3: Cross multiply
    55,715.36x = 76,886.74 × 30,221.66
  4. Step 4: Simplify right side
    55,715.36x = 2,323,645,144.78
  5. Step 5: Solve for x
    x = 2,323,645,144.78/55,715.36
  6. Step 6: Final answer
    x = 41,705.65

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.