Home / 43,620.67-65,431.01-14,040.82

Finding the Fourth Proportional to 43,620.67, 65,431.01 and 14,040.82

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Solution

The fourth proportional to 43,620.67, 65,431.01 and 14,040.82 is: 21,061.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,620.67 : 65,431.01 = 14,040.82 : x
  2. Step 2: Convert to fraction form
    43,620.67/65,431.01 = 14,040.82/x
  3. Step 3: Cross multiply
    43,620.67x = 65,431.01 × 14,040.82
  4. Step 4: Simplify right side
    43,620.67x = 918,705,033.83
  5. Step 5: Solve for x
    x = 918,705,033.83/43,620.67
  6. Step 6: Final answer
    x = 21,061.23

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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.