Home / 29,507.22-40,720-17,570.96

Finding the Fourth Proportional to 29,507.22, 40,720 and 17,570.96

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Solution

The fourth proportional to 29,507.22, 40,720 and 17,570.96 is: 24,247.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,507.22 : 40,720 = 17,570.96 : x
  2. Step 2: Convert to fraction form
    29,507.22/40,720 = 17,570.96/x
  3. Step 3: Cross multiply
    29,507.22x = 40,720 × 17,570.96
  4. Step 4: Simplify right side
    29,507.22x = 715,489,491.20
  5. Step 5: Solve for x
    x = 715,489,491.20/29,507.22
  6. Step 6: Final answer
    x = 24,247.95

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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.