Home / 45,921.22-68,899.14-31,268.32

Finding the Fourth Proportional to 45,921.22, 68,899.14 and 31,268.32

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Solution

The fourth proportional to 45,921.22, 68,899.14 and 31,268.32 is: 46,914.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,921.22 : 68,899.14 = 31,268.32 : x
  2. Step 2: Convert to fraction form
    45,921.22/68,899.14 = 31,268.32/x
  3. Step 3: Cross multiply
    45,921.22x = 68,899.14 × 31,268.32
  4. Step 4: Simplify right side
    45,921.22x = 2,154,360,185.00
  5. Step 5: Solve for x
    x = 2,154,360,185.00/45,921.22
  6. Step 6: Final answer
    x = 46,914.27

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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.