Home / 31,274.56-43,158.64-17,127.36

Finding the Fourth Proportional to 31,274.56, 43,158.64 and 17,127.36

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Solution

The fourth proportional to 31,274.56, 43,158.64 and 17,127.36 is: 23,635.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,274.56 : 43,158.64 = 17,127.36 : x
  2. Step 2: Convert to fraction form
    31,274.56/43,158.64 = 17,127.36/x
  3. Step 3: Cross multiply
    31,274.56x = 43,158.64 × 17,127.36
  4. Step 4: Simplify right side
    31,274.56x = 739,193,564.39
  5. Step 5: Solve for x
    x = 739,193,564.39/31,274.56
  6. Step 6: Final answer
    x = 23,635.62

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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.