Home / 30,266.52-45,413.10-10,559.22

Finding the Fourth Proportional to 30,266.52, 45,413.10 and 10,559.22

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Solution

The fourth proportional to 30,266.52, 45,413.10 and 10,559.22 is: 15,843.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,266.52 : 45,413.10 = 10,559.22 : x
  2. Step 2: Convert to fraction form
    30,266.52/45,413.10 = 10,559.22/x
  3. Step 3: Cross multiply
    30,266.52x = 45,413.10 × 10,559.22
  4. Step 4: Simplify right side
    30,266.52x = 479,526,913.78
  5. Step 5: Solve for x
    x = 479,526,913.78/30,266.52
  6. Step 6: Final answer
    x = 15,843.48

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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.