Home / 31,209.32-46,792.11-11,485.32

Finding the Fourth Proportional to 31,209.32, 46,792.11 and 11,485.32

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Solution

The fourth proportional to 31,209.32, 46,792.11 and 11,485.32 is: 17,219.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,209.32 : 46,792.11 = 11,485.32 : x
  2. Step 2: Convert to fraction form
    31,209.32/46,792.11 = 11,485.32/x
  3. Step 3: Cross multiply
    31,209.32x = 46,792.11 × 11,485.32
  4. Step 4: Simplify right side
    31,209.32x = 537,422,224.42
  5. Step 5: Solve for x
    x = 537,422,224.42/31,209.32
  6. Step 6: Final answer
    x = 17,219.93

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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.