Home / 55,141.41-76,087.25-31,263.47

Finding the Fourth Proportional to 55,141.41, 76,087.25 and 31,263.47

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Solution

The fourth proportional to 55,141.41, 76,087.25 and 31,263.47 is: 43,139.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,141.41 : 76,087.25 = 31,263.47 : x
  2. Step 2: Convert to fraction form
    55,141.41/76,087.25 = 31,263.47/x
  3. Step 3: Cross multiply
    55,141.41x = 76,087.25 × 31,263.47
  4. Step 4: Simplify right side
    55,141.41x = 2,378,751,323.57
  5. Step 5: Solve for x
    x = 2,378,751,323.57/55,141.41
  6. Step 6: Final answer
    x = 43,139.11

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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.