Home / 39,461.69-59,190.91-21,920.33

Finding the Fourth Proportional to 39,461.69, 59,190.91 and 21,920.33

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Solution

The fourth proportional to 39,461.69, 59,190.91 and 21,920.33 is: 32,879.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,461.69 : 59,190.91 = 21,920.33 : x
  2. Step 2: Convert to fraction form
    39,461.69/59,190.91 = 21,920.33/x
  3. Step 3: Cross multiply
    39,461.69x = 59,190.91 × 21,920.33
  4. Step 4: Simplify right side
    39,461.69x = 1,297,484,280.20
  5. Step 5: Solve for x
    x = 1,297,484,280.20/39,461.69
  6. Step 6: Final answer
    x = 32,879.59

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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.