Home / 38,261.45-57,398.11-19,531.34

Finding the Fourth Proportional to 38,261.45, 57,398.11 and 19,531.34

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Solution

The fourth proportional to 38,261.45, 57,398.11 and 19,531.34 is: 29,300.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,261.45 : 57,398.11 = 19,531.34 : x
  2. Step 2: Convert to fraction form
    38,261.45/57,398.11 = 19,531.34/x
  3. Step 3: Cross multiply
    38,261.45x = 57,398.11 × 19,531.34
  4. Step 4: Simplify right side
    38,261.45x = 1,121,062,001.77
  5. Step 5: Solve for x
    x = 1,121,062,001.77/38,261.45
  6. Step 6: Final answer
    x = 29,300.04

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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.