Home / 38,384.20-52,969.22-21,388.52

Finding the Fourth Proportional to 38,384.20, 52,969.22 and 21,388.52

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Solution

The fourth proportional to 38,384.20, 52,969.22 and 21,388.52 is: 29,515.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,384.20 : 52,969.22 = 21,388.52 : x
  2. Step 2: Convert to fraction form
    38,384.20/52,969.22 = 21,388.52/x
  3. Step 3: Cross multiply
    38,384.20x = 52,969.22 × 21,388.52
  4. Step 4: Simplify right side
    38,384.20x = 1,132,933,221.35
  5. Step 5: Solve for x
    x = 1,132,933,221.35/38,384.20
  6. Step 6: Final answer
    x = 29,515.61

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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.