Home / 29,489.19-40,647.66-19,926.09

Finding the Fourth Proportional to 29,489.19, 40,647.66 and 19,926.09

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Solution

The fourth proportional to 29,489.19, 40,647.66 and 19,926.09 is: 27,465.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,489.19 : 40,647.66 = 19,926.09 : x
  2. Step 2: Convert to fraction form
    29,489.19/40,647.66 = 19,926.09/x
  3. Step 3: Cross multiply
    29,489.19x = 40,647.66 × 19,926.09
  4. Step 4: Simplify right side
    29,489.19x = 809,948,931.45
  5. Step 5: Solve for x
    x = 809,948,931.45/29,489.19
  6. Step 6: Final answer
    x = 27,465.96

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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.