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Finding the Fourth Proportional to 30,066.54, 45,087.11 and 9,009.58

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Solution

The fourth proportional to 30,066.54, 45,087.11 and 9,009.58 is: 13,510.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,066.54 : 45,087.11 = 9,009.58 : x
  2. Step 2: Convert to fraction form
    30,066.54/45,087.11 = 9,009.58/x
  3. Step 3: Cross multiply
    30,066.54x = 45,087.11 × 9,009.58
  4. Step 4: Simplify right side
    30,066.54x = 406,215,859.73
  5. Step 5: Solve for x
    x = 406,215,859.73/30,066.54
  6. Step 6: Final answer
    x = 13,510.56

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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.