Home / 29,629.49-40,872.56-19,020.71

Finding the Fourth Proportional to 29,629.49, 40,872.56 and 19,020.71

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Solution

The fourth proportional to 29,629.49, 40,872.56 and 19,020.71 is: 26,238.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,629.49 : 40,872.56 = 19,020.71 : x
  2. Step 2: Convert to fraction form
    29,629.49/40,872.56 = 19,020.71/x
  3. Step 3: Cross multiply
    29,629.49x = 40,872.56 × 19,020.71
  4. Step 4: Simplify right side
    29,629.49x = 777,425,117.80
  5. Step 5: Solve for x
    x = 777,425,117.80/29,629.49
  6. Step 6: Final answer
    x = 26,238.23

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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.