Home / 38,860.26-53,625.96-21,865.46

Finding the Fourth Proportional to 38,860.26, 53,625.96 and 21,865.46

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Solution

The fourth proportional to 38,860.26, 53,625.96 and 21,865.46 is: 30,173.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,860.26 : 53,625.96 = 21,865.46 : x
  2. Step 2: Convert to fraction form
    38,860.26/53,625.96 = 21,865.46/x
  3. Step 3: Cross multiply
    38,860.26x = 53,625.96 × 21,865.46
  4. Step 4: Simplify right side
    38,860.26x = 1,172,556,015.21
  5. Step 5: Solve for x
    x = 1,172,556,015.21/38,860.26
  6. Step 6: Final answer
    x = 30,173.65

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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.