Home / 31,873.28-43,985.40-17,727.44

Finding the Fourth Proportional to 31,873.28, 43,985.40 and 17,727.44

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Solution

The fourth proportional to 31,873.28, 43,985.40 and 17,727.44 is: 24,464.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,873.28 : 43,985.40 = 17,727.44 : x
  2. Step 2: Convert to fraction form
    31,873.28/43,985.40 = 17,727.44/x
  3. Step 3: Cross multiply
    31,873.28x = 43,985.40 × 17,727.44
  4. Step 4: Simplify right side
    31,873.28x = 779,748,539.38
  5. Step 5: Solve for x
    x = 779,748,539.38/31,873.28
  6. Step 6: Final answer
    x = 24,464.02

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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.