Home / 31,355.07-43,268.26-17,206.80

Finding the Fourth Proportional to 31,355.07, 43,268.26 and 17,206.80

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Solution

The fourth proportional to 31,355.07, 43,268.26 and 17,206.80 is: 23,744.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,355.07 : 43,268.26 = 17,206.80 : x
  2. Step 2: Convert to fraction form
    31,355.07/43,268.26 = 17,206.80/x
  3. Step 3: Cross multiply
    31,355.07x = 43,268.26 × 17,206.80
  4. Step 4: Simplify right side
    31,355.07x = 744,508,296.17
  5. Step 5: Solve for x
    x = 744,508,296.17/31,355.07
  6. Step 6: Final answer
    x = 23,744.43

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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.