Home / 29,523.66-40,757.19-20,455.90

Finding the Fourth Proportional to 29,523.66, 40,757.19 and 20,455.90

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Solution

The fourth proportional to 29,523.66, 40,757.19 and 20,455.90 is: 28,239.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,523.66 : 40,757.19 = 20,455.90 : x
  2. Step 2: Convert to fraction form
    29,523.66/40,757.19 = 20,455.90/x
  3. Step 3: Cross multiply
    29,523.66x = 40,757.19 × 20,455.90
  4. Step 4: Simplify right side
    29,523.66x = 833,724,901.03
  5. Step 5: Solve for x
    x = 833,724,901.03/29,523.66
  6. Step 6: Final answer
    x = 28,239.21

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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.