Home / 32,781.64-45,231.88-19,167.06

Finding the Fourth Proportional to 32,781.64, 45,231.88 and 19,167.06

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Solution

The fourth proportional to 32,781.64, 45,231.88 and 19,167.06 is: 26,446.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,781.64 : 45,231.88 = 19,167.06 : x
  2. Step 2: Convert to fraction form
    32,781.64/45,231.88 = 19,167.06/x
  3. Step 3: Cross multiply
    32,781.64x = 45,231.88 × 19,167.06
  4. Step 4: Simplify right side
    32,781.64x = 866,961,835.88
  5. Step 5: Solve for x
    x = 866,961,835.88/32,781.64
  6. Step 6: Final answer
    x = 26,446.57

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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.