Home / 38,168.37-52,669.74-21,171.95

Finding the Fourth Proportional to 38,168.37, 52,669.74 and 21,171.95

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Solution

The fourth proportional to 38,168.37, 52,669.74 and 21,171.95 is: 29,215.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,168.37 : 52,669.74 = 21,171.95 : x
  2. Step 2: Convert to fraction form
    38,168.37/52,669.74 = 21,171.95/x
  3. Step 3: Cross multiply
    38,168.37x = 52,669.74 × 21,171.95
  4. Step 4: Simplify right side
    38,168.37x = 1,115,120,838.44
  5. Step 5: Solve for x
    x = 1,115,120,838.44/38,168.37
  6. Step 6: Final answer
    x = 29,215.84

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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.