Home / 31,147.04-46,720.31-7,773.32

Finding the Fourth Proportional to 31,147.04, 46,720.31 and 7,773.32

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Solution

The fourth proportional to 31,147.04, 46,720.31 and 7,773.32 is: 11,659.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,147.04 : 46,720.31 = 7,773.32 : x
  2. Step 2: Convert to fraction form
    31,147.04/46,720.31 = 7,773.32/x
  3. Step 3: Cross multiply
    31,147.04x = 46,720.31 × 7,773.32
  4. Step 4: Simplify right side
    31,147.04x = 363,171,705.96
  5. Step 5: Solve for x
    x = 363,171,705.96/31,147.04
  6. Step 6: Final answer
    x = 11,659.91

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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.