Home / 41,987.58-57,894.79-31,359.26

Finding the Fourth Proportional to 41,987.58, 57,894.79 and 31,359.26

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Solution

The fourth proportional to 41,987.58, 57,894.79 and 31,359.26 is: 43,239.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,987.58 : 57,894.79 = 31,359.26 : x
  2. Step 2: Convert to fraction form
    41,987.58/57,894.79 = 31,359.26/x
  3. Step 3: Cross multiply
    41,987.58x = 57,894.79 × 31,359.26
  4. Step 4: Simplify right side
    41,987.58x = 1,815,537,772.26
  5. Step 5: Solve for x
    x = 1,815,537,772.26/41,987.58
  6. Step 6: Final answer
    x = 43,239.88

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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.