Home / 31,171.84-46,756.08-10,112.92

Finding the Fourth Proportional to 31,171.84, 46,756.08 and 10,112.92

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Solution

The fourth proportional to 31,171.84, 46,756.08 and 10,112.92 is: 15,168.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,171.84 : 46,756.08 = 10,112.92 : x
  2. Step 2: Convert to fraction form
    31,171.84/46,756.08 = 10,112.92/x
  3. Step 3: Cross multiply
    31,171.84x = 46,756.08 × 10,112.92
  4. Step 4: Simplify right side
    31,171.84x = 472,840,496.55
  5. Step 5: Solve for x
    x = 472,840,496.55/31,171.84
  6. Step 6: Final answer
    x = 15,168.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.