Home / 39,851.54-59,726.03-20,085.86

Finding the Fourth Proportional to 39,851.54, 59,726.03 and 20,085.86

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Solution

The fourth proportional to 39,851.54, 59,726.03 and 20,085.86 is: 30,102.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,851.54 : 59,726.03 = 20,085.86 : x
  2. Step 2: Convert to fraction form
    39,851.54/59,726.03 = 20,085.86/x
  3. Step 3: Cross multiply
    39,851.54x = 59,726.03 × 20,085.86
  4. Step 4: Simplify right side
    39,851.54x = 1,199,648,676.94
  5. Step 5: Solve for x
    x = 1,199,648,676.94/39,851.54
  6. Step 6: Final answer
    x = 30,102.94

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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.