Home / 51,107.01-76,655.12-13,670.86

Finding the Fourth Proportional to 51,107.01, 76,655.12 and 13,670.86

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Solution

The fourth proportional to 51,107.01, 76,655.12 and 13,670.86 is: 20,504.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,107.01 : 76,655.12 = 13,670.86 : x
  2. Step 2: Convert to fraction form
    51,107.01/76,655.12 = 13,670.86/x
  3. Step 3: Cross multiply
    51,107.01x = 76,655.12 × 13,670.86
  4. Step 4: Simplify right side
    51,107.01x = 1,047,941,413.80
  5. Step 5: Solve for x
    x = 1,047,941,413.80/51,107.01
  6. Step 6: Final answer
    x = 20,504.85

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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.