Home / 31,352.46-47,027.76-9,166.35

Finding the Fourth Proportional to 31,352.46, 47,027.76 and 9,166.35

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Solution

The fourth proportional to 31,352.46, 47,027.76 and 9,166.35 is: 13,749.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,352.46 : 47,027.76 = 9,166.35 : x
  2. Step 2: Convert to fraction form
    31,352.46/47,027.76 = 9,166.35/x
  3. Step 3: Cross multiply
    31,352.46x = 47,027.76 × 9,166.35
  4. Step 4: Simplify right side
    31,352.46x = 431,072,907.88
  5. Step 5: Solve for x
    x = 431,072,907.88/31,352.46
  6. Step 6: Final answer
    x = 13,749.25

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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.