Home / 55,581.41-76,695.14-31,706.66

Finding the Fourth Proportional to 55,581.41, 76,695.14 and 31,706.66

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Solution

The fourth proportional to 55,581.41, 76,695.14 and 31,706.66 is: 43,751.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,581.41 : 76,695.14 = 31,706.66 : x
  2. Step 2: Convert to fraction form
    55,581.41/76,695.14 = 31,706.66/x
  3. Step 3: Cross multiply
    55,581.41x = 76,695.14 × 31,706.66
  4. Step 4: Simplify right side
    55,581.41x = 2,431,746,185.62
  5. Step 5: Solve for x
    x = 2,431,746,185.62/55,581.41
  6. Step 6: Final answer
    x = 43,751.07

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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.