Home / 30,066.84-45,087.90-8,999.44

Finding the Fourth Proportional to 30,066.84, 45,087.90 and 8,999.44

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Solution

The fourth proportional to 30,066.84, 45,087.90 and 8,999.44 is: 13,495.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,066.84 : 45,087.90 = 8,999.44 : x
  2. Step 2: Convert to fraction form
    30,066.84/45,087.90 = 8,999.44/x
  3. Step 3: Cross multiply
    30,066.84x = 45,087.90 × 8,999.44
  4. Step 4: Simplify right side
    30,066.84x = 405,765,850.78
  5. Step 5: Solve for x
    x = 405,765,850.78/30,066.84
  6. Step 6: Final answer
    x = 13,495.46

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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.