Home / 31,749.45-47,608.79-9,558.69

Finding the Fourth Proportional to 31,749.45, 47,608.79 and 9,558.69

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Solution

The fourth proportional to 31,749.45, 47,608.79 and 9,558.69 is: 14,333.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,749.45 : 47,608.79 = 9,558.69 : x
  2. Step 2: Convert to fraction form
    31,749.45/47,608.79 = 9,558.69/x
  3. Step 3: Cross multiply
    31,749.45x = 47,608.79 × 9,558.69
  4. Step 4: Simplify right side
    31,749.45x = 455,077,617.09
  5. Step 5: Solve for x
    x = 455,077,617.09/31,749.45
  6. Step 6: Final answer
    x = 14,333.40

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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.