Home / 30,674.05-45,992.48-20,008.37

Finding the Fourth Proportional to 30,674.05, 45,992.48 and 20,008.37

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Solution

The fourth proportional to 30,674.05, 45,992.48 and 20,008.37 is: 30,000.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,674.05 : 45,992.48 = 20,008.37 : x
  2. Step 2: Convert to fraction form
    30,674.05/45,992.48 = 20,008.37/x
  3. Step 3: Cross multiply
    30,674.05x = 45,992.48 × 20,008.37
  4. Step 4: Simplify right side
    30,674.05x = 920,234,557.06
  5. Step 5: Solve for x
    x = 920,234,557.06/30,674.05
  6. Step 6: Final answer
    x = 30,000.43

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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.