Home / 66,862.51-100,293.59-16,942.47

Finding the Fourth Proportional to 66,862.51, 100,293.59 and 16,942.47

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Solution

The fourth proportional to 66,862.51, 100,293.59 and 16,942.47 is: 25,413.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,862.51 : 100,293.59 = 16,942.47 : x
  2. Step 2: Convert to fraction form
    66,862.51/100,293.59 = 16,942.47/x
  3. Step 3: Cross multiply
    66,862.51x = 100,293.59 × 16,942.47
  4. Step 4: Simplify right side
    66,862.51x = 1,699,220,806.02
  5. Step 5: Solve for x
    x = 1,699,220,806.02/66,862.51
  6. Step 6: Final answer
    x = 25,413.65

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1.5x scale

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.