Home / 31,078.10-46,612.20-10,301.60

Finding the Fourth Proportional to 31,078.10, 46,612.20 and 10,301.60

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Solution

The fourth proportional to 31,078.10, 46,612.20 and 10,301.60 is: 15,450.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,078.10 : 46,612.20 = 10,301.60 : x
  2. Step 2: Convert to fraction form
    31,078.10/46,612.20 = 10,301.60/x
  3. Step 3: Cross multiply
    31,078.10x = 46,612.20 × 10,301.60
  4. Step 4: Simplify right side
    31,078.10x = 480,180,239.52
  5. Step 5: Solve for x
    x = 480,180,239.52/31,078.10
  6. Step 6: Final answer
    x = 15,450.76

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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.