Home / 57,020.77-85,541.43-19,571.17

Finding the Fourth Proportional to 57,020.77, 85,541.43 and 19,571.17

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Solution

The fourth proportional to 57,020.77, 85,541.43 and 19,571.17 is: 29,360.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,020.77 : 85,541.43 = 19,571.17 : x
  2. Step 2: Convert to fraction form
    57,020.77/85,541.43 = 19,571.17/x
  3. Step 3: Cross multiply
    57,020.77x = 85,541.43 × 19,571.17
  4. Step 4: Simplify right side
    57,020.77x = 1,674,145,868.57
  5. Step 5: Solve for x
    x = 1,674,145,868.57/57,020.77
  6. Step 6: Final answer
    x = 29,360.28

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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.