Home / 31,273.78-43,157.37-17,126.63

Finding the Fourth Proportional to 31,273.78, 43,157.37 and 17,126.63

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Solution

The fourth proportional to 31,273.78, 43,157.37 and 17,126.63 is: 23,634.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,273.78 : 43,157.37 = 17,126.63 : x
  2. Step 2: Convert to fraction form
    31,273.78/43,157.37 = 17,126.63/x
  3. Step 3: Cross multiply
    31,273.78x = 43,157.37 × 17,126.63
  4. Step 4: Simplify right side
    31,273.78x = 739,140,307.76
  5. Step 5: Solve for x
    x = 739,140,307.76/31,273.78
  6. Step 6: Final answer
    x = 23,634.50

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Double scale
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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.