Home / 20,371.04-30,556.58-5,580.08

Finding the Fourth Proportional to 20,371.04, 30,556.58 and 5,580.08

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Solution

The fourth proportional to 20,371.04, 30,556.58 and 5,580.08 is: 8,370.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,371.04 : 30,556.58 = 5,580.08 : x
  2. Step 2: Convert to fraction form
    20,371.04/30,556.58 = 5,580.08/x
  3. Step 3: Cross multiply
    20,371.04x = 30,556.58 × 5,580.08
  4. Step 4: Simplify right side
    20,371.04x = 170,508,160.93
  5. Step 5: Solve for x
    x = 170,508,160.93/20,371.04
  6. Step 6: Final answer
    x = 8,370.13

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1.5x scale

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.