Home / 30,072.15-45,095.81-11,349

Finding the Fourth Proportional to 30,072.15, 45,095.81 and 11,349

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Solution

The fourth proportional to 30,072.15, 45,095.81 and 11,349 is: 17,018.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,072.15 : 45,095.81 = 11,349 : x
  2. Step 2: Convert to fraction form
    30,072.15/45,095.81 = 11,349/x
  3. Step 3: Cross multiply
    30,072.15x = 45,095.81 × 11,349
  4. Step 4: Simplify right side
    30,072.15x = 511,792,290.95
  5. Step 5: Solve for x
    x = 511,792,290.95/30,072.15
  6. Step 6: Final answer
    x = 17,018.81

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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.