Home / 38,279.56-52,825.90-21,283.33

Finding the Fourth Proportional to 38,279.56, 52,825.90 and 21,283.33

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Solution

The fourth proportional to 38,279.56, 52,825.90 and 21,283.33 is: 29,371.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,279.56 : 52,825.90 = 21,283.33 : x
  2. Step 2: Convert to fraction form
    38,279.56/52,825.90 = 21,283.33/x
  3. Step 3: Cross multiply
    38,279.56x = 52,825.90 × 21,283.33
  4. Step 4: Simplify right side
    38,279.56x = 1,124,311,062.25
  5. Step 5: Solve for x
    x = 1,124,311,062.25/38,279.56
  6. Step 6: Final answer
    x = 29,371.06

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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.