Home / 31,135.54-42,968.25-17,708.02

Finding the Fourth Proportional to 31,135.54, 42,968.25 and 17,708.02

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Solution

The fourth proportional to 31,135.54, 42,968.25 and 17,708.02 is: 24,437.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,135.54 : 42,968.25 = 17,708.02 : x
  2. Step 2: Convert to fraction form
    31,135.54/42,968.25 = 17,708.02/x
  3. Step 3: Cross multiply
    31,135.54x = 42,968.25 × 17,708.02
  4. Step 4: Simplify right side
    31,135.54x = 760,882,630.37
  5. Step 5: Solve for x
    x = 760,882,630.37/31,135.54
  6. Step 6: Final answer
    x = 24,437.75

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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.