Home / 29,136.96-43,668.78-12,477.30

Finding the Fourth Proportional to 29,136.96, 43,668.78 and 12,477.30

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Solution

The fourth proportional to 29,136.96, 43,668.78 and 12,477.30 is: 18,700.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,136.96 : 43,668.78 = 12,477.30 : x
  2. Step 2: Convert to fraction form
    29,136.96/43,668.78 = 12,477.30/x
  3. Step 3: Cross multiply
    29,136.96x = 43,668.78 × 12,477.30
  4. Step 4: Simplify right side
    29,136.96x = 544,868,468.69
  5. Step 5: Solve for x
    x = 544,868,468.69/29,136.96
  6. Step 6: Final answer
    x = 18,700.25

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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.