Home / 39,220.87-58,815.73-14,247.30

Finding the Fourth Proportional to 39,220.87, 58,815.73 and 14,247.30

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Solution

The fourth proportional to 39,220.87, 58,815.73 and 14,247.30 is: 21,365.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,220.87 : 58,815.73 = 14,247.30 : x
  2. Step 2: Convert to fraction form
    39,220.87/58,815.73 = 14,247.30/x
  3. Step 3: Cross multiply
    39,220.87x = 58,815.73 × 14,247.30
  4. Step 4: Simplify right side
    39,220.87x = 837,965,350.03
  5. Step 5: Solve for x
    x = 837,965,350.03/39,220.87
  6. Step 6: Final answer
    x = 21,365.29

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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.