Home / 38,399.14-52,990.23-21,404.08

Finding the Fourth Proportional to 38,399.14, 52,990.23 and 21,404.08

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Solution

The fourth proportional to 38,399.14, 52,990.23 and 21,404.08 is: 29,537.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,399.14 : 52,990.23 = 21,404.08 : x
  2. Step 2: Convert to fraction form
    38,399.14/52,990.23 = 21,404.08/x
  3. Step 3: Cross multiply
    38,399.14x = 52,990.23 × 21,404.08
  4. Step 4: Simplify right side
    38,399.14x = 1,134,207,122.14
  5. Step 5: Solve for x
    x = 1,134,207,122.14/38,399.14
  6. Step 6: Final answer
    x = 29,537.31

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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.