Home / 29,136.90-43,690.31-9,412.89

Finding the Fourth Proportional to 29,136.90, 43,690.31 and 9,412.89

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Solution

The fourth proportional to 29,136.90, 43,690.31 and 9,412.89 is: 14,114.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,136.90 : 43,690.31 = 9,412.89 : x
  2. Step 2: Convert to fraction form
    29,136.90/43,690.31 = 9,412.89/x
  3. Step 3: Cross multiply
    29,136.90x = 43,690.31 × 9,412.89
  4. Step 4: Simplify right side
    29,136.90x = 411,252,035.03
  5. Step 5: Solve for x
    x = 411,252,035.03/29,136.90
  6. Step 6: Final answer
    x = 14,114.47

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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.