Home / 29,426.82-40,581.18-18,798

Finding the Fourth Proportional to 29,426.82, 40,581.18 and 18,798

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Solution

The fourth proportional to 29,426.82, 40,581.18 and 18,798 is: 25,923.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,426.82 : 40,581.18 = 18,798 : x
  2. Step 2: Convert to fraction form
    29,426.82/40,581.18 = 18,798/x
  3. Step 3: Cross multiply
    29,426.82x = 40,581.18 × 18,798
  4. Step 4: Simplify right side
    29,426.82x = 762,845,021.64
  5. Step 5: Solve for x
    x = 762,845,021.64/29,426.82
  6. Step 6: Final answer
    x = 25,923.46

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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.