Home / 38,704.55-58,018.55-18,677.10

Finding the Fourth Proportional to 38,704.55, 58,018.55 and 18,677.10

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Solution

The fourth proportional to 38,704.55, 58,018.55 and 18,677.10 is: 27,997.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,704.55 : 58,018.55 = 18,677.10 : x
  2. Step 2: Convert to fraction form
    38,704.55/58,018.55 = 18,677.10/x
  3. Step 3: Cross multiply
    38,704.55x = 58,018.55 × 18,677.10
  4. Step 4: Simplify right side
    38,704.55x = 1,083,618,260.21
  5. Step 5: Solve for x
    x = 1,083,618,260.21/38,704.55
  6. Step 6: Final answer
    x = 27,997.18

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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.