Home / 51,207.21-76,810.73-14,271.21

Finding the Fourth Proportional to 51,207.21, 76,810.73 and 14,271.21

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Solution

The fourth proportional to 51,207.21, 76,810.73 and 14,271.21 is: 21,406.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,207.21 : 76,810.73 = 14,271.21 : x
  2. Step 2: Convert to fraction form
    51,207.21/76,810.73 = 14,271.21/x
  3. Step 3: Cross multiply
    51,207.21x = 76,810.73 × 14,271.21
  4. Step 4: Simplify right side
    51,207.21x = 1,096,181,986.73
  5. Step 5: Solve for x
    x = 1,096,181,986.73/51,207.21
  6. Step 6: Final answer
    x = 21,406.79

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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.