Home / 38,138.26-52,630.66-21,371.26

Finding the Fourth Proportional to 38,138.26, 52,630.66 and 21,371.26

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Solution

The fourth proportional to 38,138.26, 52,630.66 and 21,371.26 is: 29,492.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,138.26 : 52,630.66 = 21,371.26 : x
  2. Step 2: Convert to fraction form
    38,138.26/52,630.66 = 21,371.26/x
  3. Step 3: Cross multiply
    38,138.26x = 52,630.66 × 21,371.26
  4. Step 4: Simplify right side
    38,138.26x = 1,124,783,491.12
  5. Step 5: Solve for x
    x = 1,124,783,491.12/38,138.26
  6. Step 6: Final answer
    x = 29,492.26

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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.