Home / 39,555.75-59,348.22-20,835.03

Finding the Fourth Proportional to 39,555.75, 59,348.22 and 20,835.03

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Solution

The fourth proportional to 39,555.75, 59,348.22 and 20,835.03 is: 31,260.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,555.75 : 59,348.22 = 20,835.03 : x
  2. Step 2: Convert to fraction form
    39,555.75/59,348.22 = 20,835.03/x
  3. Step 3: Cross multiply
    39,555.75x = 59,348.22 × 20,835.03
  4. Step 4: Simplify right side
    39,555.75x = 1,236,521,944.15
  5. Step 5: Solve for x
    x = 1,236,521,944.15/39,555.75
  6. Step 6: Final answer
    x = 31,260.23

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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.