Home / 29,508.56-40,720.53-16,761.70

Finding the Fourth Proportional to 29,508.56, 40,720.53 and 16,761.70

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Solution

The fourth proportional to 29,508.56, 40,720.53 and 16,761.70 is: 23,130.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,508.56 : 40,720.53 = 16,761.70 : x
  2. Step 2: Convert to fraction form
    29,508.56/40,720.53 = 16,761.70/x
  3. Step 3: Cross multiply
    29,508.56x = 40,720.53 × 16,761.70
  4. Step 4: Simplify right side
    29,508.56x = 682,545,174.47
  5. Step 5: Solve for x
    x = 682,545,174.47/29,508.56
  6. Step 6: Final answer
    x = 23,130.42

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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.