Home / 30,066.99-41,489.62-20,356.69

Finding the Fourth Proportional to 30,066.99, 41,489.62 and 20,356.69

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Solution

The fourth proportional to 30,066.99, 41,489.62 and 20,356.69 is: 28,090.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,066.99 : 41,489.62 = 20,356.69 : x
  2. Step 2: Convert to fraction form
    30,066.99/41,489.62 = 20,356.69/x
  3. Step 3: Cross multiply
    30,066.99x = 41,489.62 × 20,356.69
  4. Step 4: Simplify right side
    30,066.99x = 844,591,332.56
  5. Step 5: Solve for x
    x = 844,591,332.56/30,066.99
  6. Step 6: Final answer
    x = 28,090.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.