Home / 31,293.72-46,940.67-9,107.63

Finding the Fourth Proportional to 31,293.72, 46,940.67 and 9,107.63

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Solution

The fourth proportional to 31,293.72, 46,940.67 and 9,107.63 is: 13,661.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,293.72 : 46,940.67 = 9,107.63 : x
  2. Step 2: Convert to fraction form
    31,293.72/46,940.67 = 9,107.63/x
  3. Step 3: Cross multiply
    31,293.72x = 46,940.67 × 9,107.63
  4. Step 4: Simplify right side
    31,293.72x = 427,518,019.61
  5. Step 5: Solve for x
    x = 427,518,019.61/31,293.72
  6. Step 6: Final answer
    x = 13,661.46

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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.