Home / 22,020.20-33,030.16-5,380.32

Finding the Fourth Proportional to 22,020.20, 33,030.16 and 5,380.32

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Solution

The fourth proportional to 22,020.20, 33,030.16 and 5,380.32 is: 8,070.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,020.20 : 33,030.16 = 5,380.32 : x
  2. Step 2: Convert to fraction form
    22,020.20/33,030.16 = 5,380.32/x
  3. Step 3: Cross multiply
    22,020.20x = 33,030.16 × 5,380.32
  4. Step 4: Simplify right side
    22,020.20x = 177,712,638.40
  5. Step 5: Solve for x
    x = 177,712,638.40/22,020.20
  6. Step 6: Final answer
    x = 8,070.44

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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.