Home / 31,387.26-43,312.80-17,237.37

Finding the Fourth Proportional to 31,387.26, 43,312.80 and 17,237.37

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Solution

The fourth proportional to 31,387.26, 43,312.80 and 17,237.37 is: 23,786.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,387.26 : 43,312.80 = 17,237.37 : x
  2. Step 2: Convert to fraction form
    31,387.26/43,312.80 = 17,237.37/x
  3. Step 3: Cross multiply
    31,387.26x = 43,312.80 × 17,237.37
  4. Step 4: Simplify right side
    31,387.26x = 746,598,759.34
  5. Step 5: Solve for x
    x = 746,598,759.34/31,387.26
  6. Step 6: Final answer
    x = 23,786.68

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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.