Home / 43,686.06-65,542.89-15,605.52

Finding the Fourth Proportional to 43,686.06, 65,542.89 and 15,605.52

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Solution

The fourth proportional to 43,686.06, 65,542.89 and 15,605.52 is: 23,413.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,686.06 : 65,542.89 = 15,605.52 : x
  2. Step 2: Convert to fraction form
    43,686.06/65,542.89 = 15,605.52/x
  3. Step 3: Cross multiply
    43,686.06x = 65,542.89 × 15,605.52
  4. Step 4: Simplify right side
    43,686.06x = 1,022,830,880.75
  5. Step 5: Solve for x
    x = 1,022,830,880.75/43,686.06
  6. Step 6: Final answer
    x = 23,413.21

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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.