Home / 30,837.92-42,556.20-17,409.02

Finding the Fourth Proportional to 30,837.92, 42,556.20 and 17,409.02

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Solution

The fourth proportional to 30,837.92, 42,556.20 and 17,409.02 is: 24,024.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,837.92 : 42,556.20 = 17,409.02 : x
  2. Step 2: Convert to fraction form
    30,837.92/42,556.20 = 17,409.02/x
  3. Step 3: Cross multiply
    30,837.92x = 42,556.20 × 17,409.02
  4. Step 4: Simplify right side
    30,837.92x = 740,861,736.92
  5. Step 5: Solve for x
    x = 740,861,736.92/30,837.92
  6. Step 6: Final answer
    x = 24,024.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.