Home / 31,468.14-43,425.46-17,127.47

Finding the Fourth Proportional to 31,468.14, 43,425.46 and 17,127.47

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Solution

The fourth proportional to 31,468.14, 43,425.46 and 17,127.47 is: 23,635.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,468.14 : 43,425.46 = 17,127.47 : x
  2. Step 2: Convert to fraction form
    31,468.14/43,425.46 = 17,127.47/x
  3. Step 3: Cross multiply
    31,468.14x = 43,425.46 × 17,127.47
  4. Step 4: Simplify right side
    31,468.14x = 743,768,263.39
  5. Step 5: Solve for x
    x = 743,768,263.39/31,468.14
  6. Step 6: Final answer
    x = 23,635.60

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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.