Home / 38,168.20-52,672.26-21,174.01

Finding the Fourth Proportional to 38,168.20, 52,672.26 and 21,174.01

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Solution

The fourth proportional to 38,168.20, 52,672.26 and 21,174.01 is: 29,220.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,168.20 : 52,672.26 = 21,174.01 : x
  2. Step 2: Convert to fraction form
    38,168.20/52,672.26 = 21,174.01/x
  3. Step 3: Cross multiply
    38,168.20x = 52,672.26 × 21,174.01
  4. Step 4: Simplify right side
    38,168.20x = 1,115,282,959.96
  5. Step 5: Solve for x
    x = 1,115,282,959.96/38,168.20
  6. Step 6: Final answer
    x = 29,220.21

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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.