Home / 31,173.24-42,992.48-26,351.33

Finding the Fourth Proportional to 31,173.24, 42,992.48 and 26,351.33

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Solution

The fourth proportional to 31,173.24, 42,992.48 and 26,351.33 is: 36,342.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,173.24 : 42,992.48 = 26,351.33 : x
  2. Step 2: Convert to fraction form
    31,173.24/42,992.48 = 26,351.33/x
  3. Step 3: Cross multiply
    31,173.24x = 42,992.48 × 26,351.33
  4. Step 4: Simplify right side
    31,173.24x = 1,132,909,028.00
  5. Step 5: Solve for x
    x = 1,132,909,028.00/31,173.24
  6. Step 6: Final answer
    x = 36,342.36

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1.5x scale

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.