Home / 55,045.36-75,960.14-31,171.52

Finding the Fourth Proportional to 55,045.36, 75,960.14 and 31,171.52

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Solution

The fourth proportional to 55,045.36, 75,960.14 and 31,171.52 is: 43,015.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,045.36 : 75,960.14 = 31,171.52 : x
  2. Step 2: Convert to fraction form
    55,045.36/75,960.14 = 31,171.52/x
  3. Step 3: Cross multiply
    55,045.36x = 75,960.14 × 31,171.52
  4. Step 4: Simplify right side
    55,045.36x = 2,367,793,023.21
  5. Step 5: Solve for x
    x = 2,367,793,023.21/55,045.36
  6. Step 6: Final answer
    x = 43,015.31

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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.