Home / 31,300.64-46,919.32-19,622.04

Finding the Fourth Proportional to 31,300.64, 46,919.32 and 19,622.04

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Solution

The fourth proportional to 31,300.64, 46,919.32 and 19,622.04 is: 29,413.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,300.64 : 46,919.32 = 19,622.04 : x
  2. Step 2: Convert to fraction form
    31,300.64/46,919.32 = 19,622.04/x
  3. Step 3: Cross multiply
    31,300.64x = 46,919.32 × 19,622.04
  4. Step 4: Simplify right side
    31,300.64x = 920,652,773.81
  5. Step 5: Solve for x
    x = 920,652,773.81/31,300.64
  6. Step 6: Final answer
    x = 29,413.23

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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.