Home / 31,107.10-46,660.65-10,330.60

Finding the Fourth Proportional to 31,107.10, 46,660.65 and 10,330.60

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Solution

The fourth proportional to 31,107.10, 46,660.65 and 10,330.60 is: 15,495.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,107.10 : 46,660.65 = 10,330.60 : x
  2. Step 2: Convert to fraction form
    31,107.10/46,660.65 = 10,330.60/x
  3. Step 3: Cross multiply
    31,107.10x = 46,660.65 × 10,330.60
  4. Step 4: Simplify right side
    31,107.10x = 482,032,510.89
  5. Step 5: Solve for x
    x = 482,032,510.89/31,107.10
  6. Step 6: Final answer
    x = 15,495.90

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Similar ratio
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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.