Home / 34,143.51-47,114.24-20,718.03

Finding the Fourth Proportional to 34,143.51, 47,114.24 and 20,718.03

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Solution

The fourth proportional to 34,143.51, 47,114.24 and 20,718.03 is: 28,588.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,143.51 : 47,114.24 = 20,718.03 : x
  2. Step 2: Convert to fraction form
    34,143.51/47,114.24 = 20,718.03/x
  3. Step 3: Cross multiply
    34,143.51x = 47,114.24 × 20,718.03
  4. Step 4: Simplify right side
    34,143.51x = 976,114,237.75
  5. Step 5: Solve for x
    x = 976,114,237.75/34,143.51
  6. Step 6: Final answer
    x = 28,588.57

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.