Home / 51,102.35-76,647.68-13,665.34

Finding the Fourth Proportional to 51,102.35, 76,647.68 and 13,665.34

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Solution

The fourth proportional to 51,102.35, 76,647.68 and 13,665.34 is: 20,496.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,102.35 : 76,647.68 = 13,665.34 : x
  2. Step 2: Convert to fraction form
    51,102.35/76,647.68 = 13,665.34/x
  3. Step 3: Cross multiply
    51,102.35x = 76,647.68 × 13,665.34
  4. Step 4: Simplify right side
    51,102.35x = 1,047,416,763.01
  5. Step 5: Solve for x
    x = 1,047,416,763.01/51,102.35
  6. Step 6: Final answer
    x = 20,496.45

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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.