Home / 31,274.02-43,157.64-17,126.56

Finding the Fourth Proportional to 31,274.02, 43,157.64 and 17,126.56

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Solution

The fourth proportional to 31,274.02, 43,157.64 and 17,126.56 is: 23,634.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,274.02 : 43,157.64 = 17,126.56 : x
  2. Step 2: Convert to fraction form
    31,274.02/43,157.64 = 17,126.56/x
  3. Step 3: Cross multiply
    31,274.02x = 43,157.64 × 17,126.56
  4. Step 4: Simplify right side
    31,274.02x = 739,141,910.92
  5. Step 5: Solve for x
    x = 739,141,910.92/31,274.02
  6. Step 6: Final answer
    x = 23,634.37

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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.