Home / 31,481.20-47,210.46-10,417.35

Finding the Fourth Proportional to 31,481.20, 47,210.46 and 10,417.35

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Solution

The fourth proportional to 31,481.20, 47,210.46 and 10,417.35 is: 15,622.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,481.20 : 47,210.46 = 10,417.35 : x
  2. Step 2: Convert to fraction form
    31,481.20/47,210.46 = 10,417.35/x
  3. Step 3: Cross multiply
    31,481.20x = 47,210.46 × 10,417.35
  4. Step 4: Simplify right side
    31,481.20x = 491,807,859.44
  5. Step 5: Solve for x
    x = 491,807,859.44/31,481.20
  6. Step 6: Final answer
    x = 15,622.27

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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.