Home / 51,209.91-76,762.08-19,611.35

Finding the Fourth Proportional to 51,209.91, 76,762.08 and 19,611.35

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Solution

The fourth proportional to 51,209.91, 76,762.08 and 19,611.35 is: 29,396.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,209.91 : 76,762.08 = 19,611.35 : x
  2. Step 2: Convert to fraction form
    51,209.91/76,762.08 = 19,611.35/x
  3. Step 3: Cross multiply
    51,209.91x = 76,762.08 × 19,611.35
  4. Step 4: Simplify right side
    51,209.91x = 1,505,407,633.80
  5. Step 5: Solve for x
    x = 1,505,407,633.80/51,209.91
  6. Step 6: Final answer
    x = 29,396.80

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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.