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Finding the Fourth Proportional to 20,300.04, 30,221.01 and 20,023.02

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Solution

The fourth proportional to 20,300.04, 30,221.01 and 20,023.02 is: 29,808.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,300.04 : 30,221.01 = 20,023.02 : x
  2. Step 2: Convert to fraction form
    20,300.04/30,221.01 = 20,023.02/x
  3. Step 3: Cross multiply
    20,300.04x = 30,221.01 × 20,023.02
  4. Step 4: Simplify right side
    20,300.04x = 605,115,887.65
  5. Step 5: Solve for x
    x = 605,115,887.65/20,300.04
  6. Step 6: Final answer
    x = 29,808.61

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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.