Home / 45,334.40-68,021.76-23,136

Finding the Fourth Proportional to 45,334.40, 68,021.76 and 23,136

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Solution

The fourth proportional to 45,334.40, 68,021.76 and 23,136 is: 34,714.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,334.40 : 68,021.76 = 23,136 : x
  2. Step 2: Convert to fraction form
    45,334.40/68,021.76 = 23,136/x
  3. Step 3: Cross multiply
    45,334.40x = 68,021.76 × 23,136
  4. Step 4: Simplify right side
    45,334.40x = 1,573,751,439.36
  5. Step 5: Solve for x
    x = 1,573,751,439.36/45,334.40
  6. Step 6: Final answer
    x = 34,714.29

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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.