Home / 43,268.96-64,764.93-31,381.40

Finding the Fourth Proportional to 43,268.96, 64,764.93 and 31,381.40

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Solution

The fourth proportional to 43,268.96, 64,764.93 and 31,381.40 is: 46,971.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,268.96 : 64,764.93 = 31,381.40 : x
  2. Step 2: Convert to fraction form
    43,268.96/64,764.93 = 31,381.40/x
  3. Step 3: Cross multiply
    43,268.96x = 64,764.93 × 31,381.40
  4. Step 4: Simplify right side
    43,268.96x = 2,032,414,174.30
  5. Step 5: Solve for x
    x = 2,032,414,174.30/43,268.96
  6. Step 6: Final answer
    x = 46,971.64

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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.