Home / 30,039.87-45,066.63-15,992.49

Finding the Fourth Proportional to 30,039.87, 45,066.63 and 15,992.49

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Solution

The fourth proportional to 30,039.87, 45,066.63 and 15,992.49 is: 23,992.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,039.87 : 45,066.63 = 15,992.49 : x
  2. Step 2: Convert to fraction form
    30,039.87/45,066.63 = 15,992.49/x
  3. Step 3: Cross multiply
    30,039.87x = 45,066.63 × 15,992.49
  4. Step 4: Simplify right side
    30,039.87x = 720,727,589.63
  5. Step 5: Solve for x
    x = 720,727,589.63/30,039.87
  6. Step 6: Final answer
    x = 23,992.37

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Similar ratio
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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.