Home / 31,310.48-46,966.08-7,936.32

Finding the Fourth Proportional to 31,310.48, 46,966.08 and 7,936.32

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Solution

The fourth proportional to 31,310.48, 46,966.08 and 7,936.32 is: 11,904.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,310.48 : 46,966.08 = 7,936.32 : x
  2. Step 2: Convert to fraction form
    31,310.48/46,966.08 = 7,936.32/x
  3. Step 3: Cross multiply
    31,310.48x = 46,966.08 × 7,936.32
  4. Step 4: Simplify right side
    31,310.48x = 372,737,840.03
  5. Step 5: Solve for x
    x = 372,737,840.03/31,310.48
  6. Step 6: Final answer
    x = 11,904.57

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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.