Home / 31,299.68-46,942.14-9,107.12

Finding the Fourth Proportional to 31,299.68, 46,942.14 and 9,107.12

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Solution

The fourth proportional to 31,299.68, 46,942.14 and 9,107.12 is: 13,658.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,299.68 : 46,942.14 = 9,107.12 : x
  2. Step 2: Convert to fraction form
    31,299.68/46,942.14 = 9,107.12/x
  3. Step 3: Cross multiply
    31,299.68x = 46,942.14 × 9,107.12
  4. Step 4: Simplify right side
    31,299.68x = 427,507,702.04
  5. Step 5: Solve for x
    x = 427,507,702.04/31,299.68
  6. Step 6: Final answer
    x = 13,658.53

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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.