Home / 30,025.11-45,035.83-8,965.22

Finding the Fourth Proportional to 30,025.11, 45,035.83 and 8,965.22

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Solution

The fourth proportional to 30,025.11, 45,035.83 and 8,965.22 is: 13,447.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,025.11 : 45,035.83 = 8,965.22 : x
  2. Step 2: Convert to fraction form
    30,025.11/45,035.83 = 8,965.22/x
  3. Step 3: Cross multiply
    30,025.11x = 45,035.83 × 8,965.22
  4. Step 4: Simplify right side
    30,025.11x = 403,755,909.86
  5. Step 5: Solve for x
    x = 403,755,909.86/30,025.11
  6. Step 6: Final answer
    x = 13,447.27

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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.