Home / 38,559.62-53,205.32-21,564.20

Finding the Fourth Proportional to 38,559.62, 53,205.32 and 21,564.20

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Solution

The fourth proportional to 38,559.62, 53,205.32 and 21,564.20 is: 29,754.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,559.62 : 53,205.32 = 21,564.20 : x
  2. Step 2: Convert to fraction form
    38,559.62/53,205.32 = 21,564.20/x
  3. Step 3: Cross multiply
    38,559.62x = 53,205.32 × 21,564.20
  4. Step 4: Simplify right side
    38,559.62x = 1,147,330,161.54
  5. Step 5: Solve for x
    x = 1,147,330,161.54/38,559.62
  6. Step 6: Final answer
    x = 29,754.71

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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.