Home / 45,435.06-68,161.26-15,861.36

Finding the Fourth Proportional to 45,435.06, 68,161.26 and 15,861.36

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Solution

The fourth proportional to 45,435.06, 68,161.26 and 15,861.36 is: 23,795.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,435.06 : 68,161.26 = 15,861.36 : x
  2. Step 2: Convert to fraction form
    45,435.06/68,161.26 = 15,861.36/x
  3. Step 3: Cross multiply
    45,435.06x = 68,161.26 × 15,861.36
  4. Step 4: Simplify right side
    45,435.06x = 1,081,130,282.91
  5. Step 5: Solve for x
    x = 1,081,130,282.91/45,435.06
  6. Step 6: Final answer
    x = 23,795.07

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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.