Home / 55,494.06-76,581.87-31,620.66

Finding the Fourth Proportional to 55,494.06, 76,581.87 and 31,620.66

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Solution

The fourth proportional to 55,494.06, 76,581.87 and 31,620.66 is: 43,636.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,494.06 : 76,581.87 = 31,620.66 : x
  2. Step 2: Convert to fraction form
    55,494.06/76,581.87 = 31,620.66/x
  3. Step 3: Cross multiply
    55,494.06x = 76,581.87 × 31,620.66
  4. Step 4: Simplify right side
    55,494.06x = 2,421,569,273.43
  5. Step 5: Solve for x
    x = 2,421,569,273.43/55,494.06
  6. Step 6: Final answer
    x = 43,636.55

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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.