Home / 31,396.43-43,333.44-19,291.40

Finding the Fourth Proportional to 31,396.43, 43,333.44 and 19,291.40

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Solution

The fourth proportional to 31,396.43, 43,333.44 and 19,291.40 is: 26,626.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,396.43 : 43,333.44 = 19,291.40 : x
  2. Step 2: Convert to fraction form
    31,396.43/43,333.44 = 19,291.40/x
  3. Step 3: Cross multiply
    31,396.43x = 43,333.44 × 19,291.40
  4. Step 4: Simplify right side
    31,396.43x = 835,962,724.42
  5. Step 5: Solve for x
    x = 835,962,724.42/31,396.43
  6. Step 6: Final answer
    x = 26,626.04

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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.