Home / 51,100.30-76,654.27-13,659.51

Finding the Fourth Proportional to 51,100.30, 76,654.27 and 13,659.51

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Solution

The fourth proportional to 51,100.30, 76,654.27 and 13,659.51 is: 20,490.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,100.30 : 76,654.27 = 13,659.51 : x
  2. Step 2: Convert to fraction form
    51,100.30/76,654.27 = 13,659.51/x
  3. Step 3: Cross multiply
    51,100.30x = 76,654.27 × 13,659.51
  4. Step 4: Simplify right side
    51,100.30x = 1,047,060,072.14
  5. Step 5: Solve for x
    x = 1,047,060,072.14/51,100.30
  6. Step 6: Final answer
    x = 20,490.29

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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.