Home / 31,850.12-43,950.21-17,700.23

Finding the Fourth Proportional to 31,850.12, 43,950.21 and 17,700.23

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Solution

The fourth proportional to 31,850.12, 43,950.21 and 17,700.23 is: 24,424.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,850.12 : 43,950.21 = 17,700.23 : x
  2. Step 2: Convert to fraction form
    31,850.12/43,950.21 = 17,700.23/x
  3. Step 3: Cross multiply
    31,850.12x = 43,950.21 × 17,700.23
  4. Step 4: Simplify right side
    31,850.12x = 777,928,825.55
  5. Step 5: Solve for x
    x = 777,928,825.55/31,850.12
  6. Step 6: Final answer
    x = 24,424.67

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Half scale
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Double scale
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Similar ratio
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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.