Home / 29,090.60-40,151.30-17,149.56

Finding the Fourth Proportional to 29,090.60, 40,151.30 and 17,149.56

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Solution

The fourth proportional to 29,090.60, 40,151.30 and 17,149.56 is: 23,670.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,090.60 : 40,151.30 = 17,149.56 : x
  2. Step 2: Convert to fraction form
    29,090.60/40,151.30 = 17,149.56/x
  3. Step 3: Cross multiply
    29,090.60x = 40,151.30 × 17,149.56
  4. Step 4: Simplify right side
    29,090.60x = 688,577,128.43
  5. Step 5: Solve for x
    x = 688,577,128.43/29,090.60
  6. Step 6: Final answer
    x = 23,670.09

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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.