Home / 31,219.16-46,846.96-12,508.16

Finding the Fourth Proportional to 31,219.16, 46,846.96 and 12,508.16

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Solution

The fourth proportional to 31,219.16, 46,846.96 and 12,508.16 is: 18,769.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,219.16 : 46,846.96 = 12,508.16 : x
  2. Step 2: Convert to fraction form
    31,219.16/46,846.96 = 12,508.16/x
  3. Step 3: Cross multiply
    31,219.16x = 46,846.96 × 12,508.16
  4. Step 4: Simplify right side
    31,219.16x = 585,969,005.69
  5. Step 5: Solve for x
    x = 585,969,005.69/31,219.16
  6. Step 6: Final answer
    x = 18,769.53

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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.