Home / 29,419.40-40,578.24-19,344.62

Finding the Fourth Proportional to 29,419.40, 40,578.24 and 19,344.62

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Solution

The fourth proportional to 29,419.40, 40,578.24 and 19,344.62 is: 26,682.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,419.40 : 40,578.24 = 19,344.62 : x
  2. Step 2: Convert to fraction form
    29,419.40/40,578.24 = 19,344.62/x
  3. Step 3: Cross multiply
    29,419.40x = 40,578.24 × 19,344.62
  4. Step 4: Simplify right side
    29,419.40x = 784,970,633.07
  5. Step 5: Solve for x
    x = 784,970,633.07/29,419.40
  6. Step 6: Final answer
    x = 26,682.07

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1.5x scale

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.