Home / 34,139.55-51,224.81-15,409.47

Finding the Fourth Proportional to 34,139.55, 51,224.81 and 15,409.47

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Solution

The fourth proportional to 34,139.55, 51,224.81 and 15,409.47 is: 23,121.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,139.55 : 51,224.81 = 15,409.47 : x
  2. Step 2: Convert to fraction form
    34,139.55/51,224.81 = 15,409.47/x
  3. Step 3: Cross multiply
    34,139.55x = 51,224.81 × 15,409.47
  4. Step 4: Simplify right side
    34,139.55x = 789,347,095.90
  5. Step 5: Solve for x
    x = 789,347,095.90/34,139.55
  6. Step 6: Final answer
    x = 23,121.19

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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.