Home / 43,698-65,541.42-14,112.75

Finding the Fourth Proportional to 43,698, 65,541.42 and 14,112.75

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Solution

The fourth proportional to 43,698, 65,541.42 and 14,112.75 is: 21,167.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,698 : 65,541.42 = 14,112.75 : x
  2. Step 2: Convert to fraction form
    43,698/65,541.42 = 14,112.75/x
  3. Step 3: Cross multiply
    43,698x = 65,541.42 × 14,112.75
  4. Step 4: Simplify right side
    43,698x = 924,969,675.11
  5. Step 5: Solve for x
    x = 924,969,675.11/43,698
  6. Step 6: Final answer
    x = 21,167.32

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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.