Home / 39,768.26-59,648.55-20,038.98

Finding the Fourth Proportional to 39,768.26, 59,648.55 and 20,038.98

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Solution

The fourth proportional to 39,768.26, 59,648.55 and 20,038.98 is: 30,056.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,768.26 : 59,648.55 = 20,038.98 : x
  2. Step 2: Convert to fraction form
    39,768.26/59,648.55 = 20,038.98/x
  3. Step 3: Cross multiply
    39,768.26x = 59,648.55 × 20,038.98
  4. Step 4: Simplify right side
    39,768.26x = 1,195,296,100.48
  5. Step 5: Solve for x
    x = 1,195,296,100.48/39,768.26
  6. Step 6: Final answer
    x = 30,056.54

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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.