Home / 42,106.50-63,163.40-10,941.75

Finding the Fourth Proportional to 42,106.50, 63,163.40 and 10,941.75

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Solution

The fourth proportional to 42,106.50, 63,163.40 and 10,941.75 is: 16,413.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,106.50 : 63,163.40 = 10,941.75 : x
  2. Step 2: Convert to fraction form
    42,106.50/63,163.40 = 10,941.75/x
  3. Step 3: Cross multiply
    42,106.50x = 63,163.40 × 10,941.75
  4. Step 4: Simplify right side
    42,106.50x = 691,118,077.24
  5. Step 5: Solve for x
    x = 691,118,077.24/42,106.50
  6. Step 6: Final answer
    x = 16,413.57

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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.