Home / 38,157.18-52,655.92-21,161.14

Finding the Fourth Proportional to 38,157.18, 52,655.92 and 21,161.14

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Solution

The fourth proportional to 38,157.18, 52,655.92 and 21,161.14 is: 29,201.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,157.18 : 52,655.92 = 21,161.14 : x
  2. Step 2: Convert to fraction form
    38,157.18/52,655.92 = 21,161.14/x
  3. Step 3: Cross multiply
    38,157.18x = 52,655.92 × 21,161.14
  4. Step 4: Simplify right side
    38,157.18x = 1,114,259,294.95
  5. Step 5: Solve for x
    x = 1,114,259,294.95/38,157.18
  6. Step 6: Final answer
    x = 29,201.83

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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.