Home / 29,184.57-40,218.53-21,214.17

Finding the Fourth Proportional to 29,184.57, 40,218.53 and 21,214.17

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Solution

The fourth proportional to 29,184.57, 40,218.53 and 21,214.17 is: 29,234.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,184.57 : 40,218.53 = 21,214.17 : x
  2. Step 2: Convert to fraction form
    29,184.57/40,218.53 = 21,214.17/x
  3. Step 3: Cross multiply
    29,184.57x = 40,218.53 × 21,214.17
  4. Step 4: Simplify right side
    29,184.57x = 853,202,626.50
  5. Step 5: Solve for x
    x = 853,202,626.50/29,184.57
  6. Step 6: Final answer
    x = 29,234.72

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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.