Home / 31,106.75-42,928.33-17,497.16

Finding the Fourth Proportional to 31,106.75, 42,928.33 and 17,497.16

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Solution

The fourth proportional to 31,106.75, 42,928.33 and 17,497.16 is: 24,146.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,106.75 : 42,928.33 = 17,497.16 : x
  2. Step 2: Convert to fraction form
    31,106.75/42,928.33 = 17,497.16/x
  3. Step 3: Cross multiply
    31,106.75x = 42,928.33 × 17,497.16
  4. Step 4: Simplify right side
    31,106.75x = 751,123,600.16
  5. Step 5: Solve for x
    x = 751,123,600.16/31,106.75
  6. Step 6: Final answer
    x = 24,146.64

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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.