Home / 38,370.36-57,563.78-21,738.36

Finding the Fourth Proportional to 38,370.36, 57,563.78 and 21,738.36

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Solution

The fourth proportional to 38,370.36, 57,563.78 and 21,738.36 is: 32,612.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,370.36 : 57,563.78 = 21,738.36 : x
  2. Step 2: Convert to fraction form
    38,370.36/57,563.78 = 21,738.36/x
  3. Step 3: Cross multiply
    38,370.36x = 57,563.78 × 21,738.36
  4. Step 4: Simplify right side
    38,370.36x = 1,251,342,063.91
  5. Step 5: Solve for x
    x = 1,251,342,063.91/38,370.36
  6. Step 6: Final answer
    x = 32,612.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.