Home / 31,863.08-43,954.47-19,110.13

Finding the Fourth Proportional to 31,863.08, 43,954.47 and 19,110.13

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Solution

The fourth proportional to 31,863.08, 43,954.47 and 19,110.13 is: 26,362.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,863.08 : 43,954.47 = 19,110.13 : x
  2. Step 2: Convert to fraction form
    31,863.08/43,954.47 = 19,110.13/x
  3. Step 3: Cross multiply
    31,863.08x = 43,954.47 × 19,110.13
  4. Step 4: Simplify right side
    31,863.08x = 839,975,635.78
  5. Step 5: Solve for x
    x = 839,975,635.78/31,863.08
  6. Step 6: Final answer
    x = 26,362.04

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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.