Home / 50,820.12-76,229.10-17,539.11

Finding the Fourth Proportional to 50,820.12, 76,229.10 and 17,539.11

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Solution

The fourth proportional to 50,820.12, 76,229.10 and 17,539.11 is: 26,308.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,820.12 : 76,229.10 = 17,539.11 : x
  2. Step 2: Convert to fraction form
    50,820.12/76,229.10 = 17,539.11/x
  3. Step 3: Cross multiply
    50,820.12x = 76,229.10 × 17,539.11
  4. Step 4: Simplify right side
    50,820.12x = 1,336,990,570.10
  5. Step 5: Solve for x
    x = 1,336,990,570.10/50,820.12
  6. Step 6: Final answer
    x = 26,308.29

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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.