Home / 46,081.85-69,122.31-21,114.82

Finding the Fourth Proportional to 46,081.85, 69,122.31 and 21,114.82

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Solution

The fourth proportional to 46,081.85, 69,122.31 and 21,114.82 is: 31,672.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,081.85 : 69,122.31 = 21,114.82 : x
  2. Step 2: Convert to fraction form
    46,081.85/69,122.31 = 21,114.82/x
  3. Step 3: Cross multiply
    46,081.85x = 69,122.31 × 21,114.82
  4. Step 4: Simplify right side
    46,081.85x = 1,459,504,788.02
  5. Step 5: Solve for x
    x = 1,459,504,788.02/46,081.85
  6. Step 6: Final answer
    x = 31,672.01

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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.