Home / 20,466.52-30,533.36-18,556.68

Finding the Fourth Proportional to 20,466.52, 30,533.36 and 18,556.68

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Solution

The fourth proportional to 20,466.52, 30,533.36 and 18,556.68 is: 27,684.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,466.52 : 30,533.36 = 18,556.68 : x
  2. Step 2: Convert to fraction form
    20,466.52/30,533.36 = 18,556.68/x
  3. Step 3: Cross multiply
    20,466.52x = 30,533.36 × 18,556.68
  4. Step 4: Simplify right side
    20,466.52x = 566,597,790.84
  5. Step 5: Solve for x
    x = 566,597,790.84/20,466.52
  6. Step 6: Final answer
    x = 27,684.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.