Home / 31,782.21-43,859.30-17,635.02

Finding the Fourth Proportional to 31,782.21, 43,859.30 and 17,635.02

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Solution

The fourth proportional to 31,782.21, 43,859.30 and 17,635.02 is: 24,336.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,782.21 : 43,859.30 = 17,635.02 : x
  2. Step 2: Convert to fraction form
    31,782.21/43,859.30 = 17,635.02/x
  3. Step 3: Cross multiply
    31,782.21x = 43,859.30 × 17,635.02
  4. Step 4: Simplify right side
    31,782.21x = 773,459,457.48
  5. Step 5: Solve for x
    x = 773,459,457.48/31,782.21
  6. Step 6: Final answer
    x = 24,336.24

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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.