Home / 30,063.09-45,087.81-11,345.11

Finding the Fourth Proportional to 30,063.09, 45,087.81 and 11,345.11

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Solution

The fourth proportional to 30,063.09, 45,087.81 and 11,345.11 is: 17,015.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,063.09 : 45,087.81 = 11,345.11 : x
  2. Step 2: Convert to fraction form
    30,063.09/45,087.81 = 11,345.11/x
  3. Step 3: Cross multiply
    30,063.09x = 45,087.81 × 11,345.11
  4. Step 4: Simplify right side
    30,063.09x = 511,526,008.85
  5. Step 5: Solve for x
    x = 511,526,008.85/30,063.09
  6. Step 6: Final answer
    x = 17,015.08

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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.