Home / 51,354.19-77,016.57-19,762.03

Finding the Fourth Proportional to 51,354.19, 77,016.57 and 19,762.03

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Solution

The fourth proportional to 51,354.19, 77,016.57 and 19,762.03 is: 29,637.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,354.19 : 77,016.57 = 19,762.03 : x
  2. Step 2: Convert to fraction form
    51,354.19/77,016.57 = 19,762.03/x
  3. Step 3: Cross multiply
    51,354.19x = 77,016.57 × 19,762.03
  4. Step 4: Simplify right side
    51,354.19x = 1,522,003,766.84
  5. Step 5: Solve for x
    x = 1,522,003,766.84/51,354.19
  6. Step 6: Final answer
    x = 29,637.38

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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.