Home / 31,523.13-47,285.52-8,149.50

Finding the Fourth Proportional to 31,523.13, 47,285.52 and 8,149.50

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Solution

The fourth proportional to 31,523.13, 47,285.52 and 8,149.50 is: 12,224.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,523.13 : 47,285.52 = 8,149.50 : x
  2. Step 2: Convert to fraction form
    31,523.13/47,285.52 = 8,149.50/x
  3. Step 3: Cross multiply
    31,523.13x = 47,285.52 × 8,149.50
  4. Step 4: Simplify right side
    31,523.13x = 385,353,345.24
  5. Step 5: Solve for x
    x = 385,353,345.24/31,523.13
  6. Step 6: Final answer
    x = 12,224.46

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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.