Home / 30,166.02-41,633.19-20,747.34

Finding the Fourth Proportional to 30,166.02, 41,633.19 and 20,747.34

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Solution

The fourth proportional to 30,166.02, 41,633.19 and 20,747.34 is: 28,634.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,166.02 : 41,633.19 = 20,747.34 : x
  2. Step 2: Convert to fraction form
    30,166.02/41,633.19 = 20,747.34/x
  3. Step 3: Cross multiply
    30,166.02x = 41,633.19 × 20,747.34
  4. Step 4: Simplify right side
    30,166.02x = 863,777,948.21
  5. Step 5: Solve for x
    x = 863,777,948.21/30,166.02
  6. Step 6: Final answer
    x = 28,634.14

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Double scale
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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.