Home / 51,159.24-76,749.30-21,577.02

Finding the Fourth Proportional to 51,159.24, 76,749.30 and 21,577.02

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Solution

The fourth proportional to 51,159.24, 76,749.30 and 21,577.02 is: 32,369.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,159.24 : 76,749.30 = 21,577.02 : x
  2. Step 2: Convert to fraction form
    51,159.24/76,749.30 = 21,577.02/x
  3. Step 3: Cross multiply
    51,159.24x = 76,749.30 × 21,577.02
  4. Step 4: Simplify right side
    51,159.24x = 1,656,021,181.09
  5. Step 5: Solve for x
    x = 1,656,021,181.09/51,159.24
  6. Step 6: Final answer
    x = 32,369.93

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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.