Home / 65,811.07-98,693.50-18,413.42

Finding the Fourth Proportional to 65,811.07, 98,693.50 and 18,413.42

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Solution

The fourth proportional to 65,811.07, 98,693.50 and 18,413.42 is: 27,613.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,811.07 : 98,693.50 = 18,413.42 : x
  2. Step 2: Convert to fraction form
    65,811.07/98,693.50 = 18,413.42/x
  3. Step 3: Cross multiply
    65,811.07x = 98,693.50 × 18,413.42
  4. Step 4: Simplify right side
    65,811.07x = 1,817,284,866.77
  5. Step 5: Solve for x
    x = 1,817,284,866.77/65,811.07
  6. Step 6: Final answer
    x = 27,613.67

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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.