Home / 38,286.19-52,837.82-21,293.47

Finding the Fourth Proportional to 38,286.19, 52,837.82 and 21,293.47

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Solution

The fourth proportional to 38,286.19, 52,837.82 and 21,293.47 is: 29,386.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,286.19 : 52,837.82 = 21,293.47 : x
  2. Step 2: Convert to fraction form
    38,286.19/52,837.82 = 21,293.47/x
  3. Step 3: Cross multiply
    38,286.19x = 52,837.82 × 21,293.47
  4. Step 4: Simplify right side
    38,286.19x = 1,125,100,535.04
  5. Step 5: Solve for x
    x = 1,125,100,535.04/38,286.19
  6. Step 6: Final answer
    x = 29,386.59

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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.