Home / 39,778.74-59,673.60-20,046.56

Finding the Fourth Proportional to 39,778.74, 59,673.60 and 20,046.56

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Solution

The fourth proportional to 39,778.74, 59,673.60 and 20,046.56 is: 30,072.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,778.74 : 59,673.60 = 20,046.56 : x
  2. Step 2: Convert to fraction form
    39,778.74/59,673.60 = 20,046.56/x
  3. Step 3: Cross multiply
    39,778.74x = 59,673.60 × 20,046.56
  4. Step 4: Simplify right side
    39,778.74x = 1,196,250,104.45
  5. Step 5: Solve for x
    x = 1,196,250,104.45/39,778.74
  6. Step 6: Final answer
    x = 30,072.60

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1.5x scale

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.