Home / 30,603.23-45,907.07-12,816

Finding the Fourth Proportional to 30,603.23, 45,907.07 and 12,816

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Solution

The fourth proportional to 30,603.23, 45,907.07 and 12,816 is: 19,224.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,603.23 : 45,907.07 = 12,816 : x
  2. Step 2: Convert to fraction form
    30,603.23/45,907.07 = 12,816/x
  3. Step 3: Cross multiply
    30,603.23x = 45,907.07 × 12,816
  4. Step 4: Simplify right side
    30,603.23x = 588,345,009.12
  5. Step 5: Solve for x
    x = 588,345,009.12/30,603.23
  6. Step 6: Final answer
    x = 19,224.93

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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.