Home / 20,022.08-30,032.72-5,982.15

Finding the Fourth Proportional to 20,022.08, 30,032.72 and 5,982.15

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Solution

The fourth proportional to 20,022.08, 30,032.72 and 5,982.15 is: 8,973.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,022.08 : 30,032.72 = 5,982.15 : x
  2. Step 2: Convert to fraction form
    20,022.08/30,032.72 = 5,982.15/x
  3. Step 3: Cross multiply
    20,022.08x = 30,032.72 × 5,982.15
  4. Step 4: Simplify right side
    20,022.08x = 179,660,206.04
  5. Step 5: Solve for x
    x = 179,660,206.04/20,022.08
  6. Step 6: Final answer
    x = 8,973.10

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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.