Home / 43,461.90-65,197.71-13,869.36

Finding the Fourth Proportional to 43,461.90, 65,197.71 and 13,869.36

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Solution

The fourth proportional to 43,461.90, 65,197.71 and 13,869.36 is: 20,805.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,461.90 : 65,197.71 = 13,869.36 : x
  2. Step 2: Convert to fraction form
    43,461.90/65,197.71 = 13,869.36/x
  3. Step 3: Cross multiply
    43,461.90x = 65,197.71 × 13,869.36
  4. Step 4: Simplify right side
    43,461.90x = 904,250,511.17
  5. Step 5: Solve for x
    x = 904,250,511.17/43,461.90
  6. Step 6: Final answer
    x = 20,805.59

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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.