Home / 51,019.51-76,534.84-17,309.86

Finding the Fourth Proportional to 51,019.51, 76,534.84 and 17,309.86

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Solution

The fourth proportional to 51,019.51, 76,534.84 and 17,309.86 is: 25,966.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,019.51 : 76,534.84 = 17,309.86 : x
  2. Step 2: Convert to fraction form
    51,019.51/76,534.84 = 17,309.86/x
  3. Step 3: Cross multiply
    51,019.51x = 76,534.84 × 17,309.86
  4. Step 4: Simplify right side
    51,019.51x = 1,324,807,365.52
  5. Step 5: Solve for x
    x = 1,324,807,365.52/51,019.51
  6. Step 6: Final answer
    x = 25,966.68

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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.