Home / 20,066.29-30,083.00-7,579.22

Finding the Fourth Proportional to 20,066.29, 30,083.00 and 7,579.22

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Solution

The fourth proportional to 20,066.29, 30,083.00 and 7,579.22 is: 11,362.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,066.29 : 30,083.00 = 7,579.22 : x
  2. Step 2: Convert to fraction form
    20,066.29/30,083.00 = 7,579.22/x
  3. Step 3: Cross multiply
    20,066.29x = 30,083.00 × 7,579.22
  4. Step 4: Simplify right side
    20,066.29x = 228,005,486.95
  5. Step 5: Solve for x
    x = 228,005,486.95/20,066.29
  6. Step 6: Final answer
    x = 11,362.61

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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.