Home / 31,129.83-46,647.37-22,815.36

Finding the Fourth Proportional to 31,129.83, 46,647.37 and 22,815.36

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Solution

The fourth proportional to 31,129.83, 46,647.37 and 22,815.36 is: 34,188.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,129.83 : 46,647.37 = 22,815.36 : x
  2. Step 2: Convert to fraction form
    31,129.83/46,647.37 = 22,815.36/x
  3. Step 3: Cross multiply
    31,129.83x = 46,647.37 × 22,815.36
  4. Step 4: Simplify right side
    31,129.83x = 1,064,276,539.60
  5. Step 5: Solve for x
    x = 1,064,276,539.60/31,129.83
  6. Step 6: Final answer
    x = 34,188.32

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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.