Home / 34,654.42-51,874.08-18,820.18

Finding the Fourth Proportional to 34,654.42, 51,874.08 and 18,820.18

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Solution

The fourth proportional to 34,654.42, 51,874.08 and 18,820.18 is: 28,171.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,654.42 : 51,874.08 = 18,820.18 : x
  2. Step 2: Convert to fraction form
    34,654.42/51,874.08 = 18,820.18/x
  3. Step 3: Cross multiply
    34,654.42x = 51,874.08 × 18,820.18
  4. Step 4: Simplify right side
    34,654.42x = 976,279,522.93
  5. Step 5: Solve for x
    x = 976,279,522.93/34,654.42
  6. Step 6: Final answer
    x = 28,171.86

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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.