Home / 31,351.08-47,025.71-9,164.98

Finding the Fourth Proportional to 31,351.08, 47,025.71 and 9,164.98

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Solution

The fourth proportional to 31,351.08, 47,025.71 and 9,164.98 is: 13,747.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,351.08 : 47,025.71 = 9,164.98 : x
  2. Step 2: Convert to fraction form
    31,351.08/47,025.71 = 9,164.98/x
  3. Step 3: Cross multiply
    31,351.08x = 47,025.71 × 9,164.98
  4. Step 4: Simplify right side
    31,351.08x = 430,989,410.68
  5. Step 5: Solve for x
    x = 430,989,410.68/31,351.08
  6. Step 6: Final answer
    x = 13,747.20

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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.