Home / 34,902.45-48,165.34-18,986.86

Finding the Fourth Proportional to 34,902.45, 48,165.34 and 18,986.86

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Solution

The fourth proportional to 34,902.45, 48,165.34 and 18,986.86 is: 26,201.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,902.45 : 48,165.34 = 18,986.86 : x
  2. Step 2: Convert to fraction form
    34,902.45/48,165.34 = 18,986.86/x
  3. Step 3: Cross multiply
    34,902.45x = 48,165.34 × 18,986.86
  4. Step 4: Simplify right side
    34,902.45x = 914,508,567.43
  5. Step 5: Solve for x
    x = 914,508,567.43/34,902.45
  6. Step 6: Final answer
    x = 26,201.84

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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.