Home / 31,419.51-43,357.82-17,272.26

Finding the Fourth Proportional to 31,419.51, 43,357.82 and 17,272.26

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Solution

The fourth proportional to 31,419.51, 43,357.82 and 17,272.26 is: 23,835.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,419.51 : 43,357.82 = 17,272.26 : x
  2. Step 2: Convert to fraction form
    31,419.51/43,357.82 = 17,272.26/x
  3. Step 3: Cross multiply
    31,419.51x = 43,357.82 × 17,272.26
  4. Step 4: Simplify right side
    31,419.51x = 748,887,453.71
  5. Step 5: Solve for x
    x = 748,887,453.71/31,419.51
  6. Step 6: Final answer
    x = 23,835.11

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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.