Home / 29,309.94-40,437.09-18,704.34

Finding the Fourth Proportional to 29,309.94, 40,437.09 and 18,704.34

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Solution

The fourth proportional to 29,309.94, 40,437.09 and 18,704.34 is: 25,805.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,309.94 : 40,437.09 = 18,704.34 : x
  2. Step 2: Convert to fraction form
    29,309.94/40,437.09 = 18,704.34/x
  3. Step 3: Cross multiply
    29,309.94x = 40,437.09 × 18,704.34
  4. Step 4: Simplify right side
    29,309.94x = 756,349,079.97
  5. Step 5: Solve for x
    x = 756,349,079.97/29,309.94
  6. Step 6: Final answer
    x = 25,805.21

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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.