Home / 43,541.12-65,310.31-12,376.37

Finding the Fourth Proportional to 43,541.12, 65,310.31 and 12,376.37

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Solution

The fourth proportional to 43,541.12, 65,310.31 and 12,376.37 is: 18,564.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,541.12 : 65,310.31 = 12,376.37 : x
  2. Step 2: Convert to fraction form
    43,541.12/65,310.31 = 12,376.37/x
  3. Step 3: Cross multiply
    43,541.12x = 65,310.31 × 12,376.37
  4. Step 4: Simplify right side
    43,541.12x = 808,304,740.12
  5. Step 5: Solve for x
    x = 808,304,740.12/43,541.12
  6. Step 6: Final answer
    x = 18,564.17

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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.