Home / 30,556.62-45,846.56-15,756.09

Finding the Fourth Proportional to 30,556.62, 45,846.56 and 15,756.09

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Solution

The fourth proportional to 30,556.62, 45,846.56 and 15,756.09 is: 23,640.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,556.62 : 45,846.56 = 15,756.09 : x
  2. Step 2: Convert to fraction form
    30,556.62/45,846.56 = 15,756.09/x
  3. Step 3: Cross multiply
    30,556.62x = 45,846.56 × 15,756.09
  4. Step 4: Simplify right side
    30,556.62x = 722,362,525.55
  5. Step 5: Solve for x
    x = 722,362,525.55/30,556.62
  6. Step 6: Final answer
    x = 23,640.13

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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.