Home / 20,090.33-30,137.52-5,300.27

Finding the Fourth Proportional to 20,090.33, 30,137.52 and 5,300.27

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Solution

The fourth proportional to 20,090.33, 30,137.52 and 5,300.27 is: 7,950.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,090.33 : 30,137.52 = 5,300.27 : x
  2. Step 2: Convert to fraction form
    20,090.33/30,137.52 = 5,300.27/x
  3. Step 3: Cross multiply
    20,090.33x = 30,137.52 × 5,300.27
  4. Step 4: Simplify right side
    20,090.33x = 159,737,088.35
  5. Step 5: Solve for x
    x = 159,737,088.35/20,090.33
  6. Step 6: Final answer
    x = 7,950.94

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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.