Home / 42,136.92-63,256.32-19,668.96

Finding the Fourth Proportional to 42,136.92, 63,256.32 and 19,668.96

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Solution

The fourth proportional to 42,136.92, 63,256.32 and 19,668.96 is: 29,527.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,136.92 : 63,256.32 = 19,668.96 : x
  2. Step 2: Convert to fraction form
    42,136.92/63,256.32 = 19,668.96/x
  3. Step 3: Cross multiply
    42,136.92x = 63,256.32 × 19,668.96
  4. Step 4: Simplify right side
    42,136.92x = 1,244,186,027.83
  5. Step 5: Solve for x
    x = 1,244,186,027.83/42,136.92
  6. Step 6: Final answer
    x = 29,527.22

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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.