Home / 31,731.90-47,603.25-10,950.54

Finding the Fourth Proportional to 31,731.90, 47,603.25 and 10,950.54

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Solution

The fourth proportional to 31,731.90, 47,603.25 and 10,950.54 is: 16,427.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,731.90 : 47,603.25 = 10,950.54 : x
  2. Step 2: Convert to fraction form
    31,731.90/47,603.25 = 10,950.54/x
  3. Step 3: Cross multiply
    31,731.90x = 47,603.25 × 10,950.54
  4. Step 4: Simplify right side
    31,731.90x = 521,281,293.26
  5. Step 5: Solve for x
    x = 521,281,293.26/31,731.90
  6. Step 6: Final answer
    x = 16,427.67

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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.