Home / 31,272.84-43,156.53-17,126.55

Finding the Fourth Proportional to 31,272.84, 43,156.53 and 17,126.55

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Solution

The fourth proportional to 31,272.84, 43,156.53 and 17,126.55 is: 23,634.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,272.84 : 43,156.53 = 17,126.55 : x
  2. Step 2: Convert to fraction form
    31,272.84/43,156.53 = 17,126.55/x
  3. Step 3: Cross multiply
    31,272.84x = 43,156.53 × 17,126.55
  4. Step 4: Simplify right side
    31,272.84x = 739,122,468.87
  5. Step 5: Solve for x
    x = 739,122,468.87/31,272.84
  6. Step 6: Final answer
    x = 23,634.64

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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.