Home / 39,063.66-53,907.82-21,158.66

Finding the Fourth Proportional to 39,063.66, 53,907.82 and 21,158.66

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Solution

The fourth proportional to 39,063.66, 53,907.82 and 21,158.66 is: 29,198.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,063.66 : 53,907.82 = 21,158.66 : x
  2. Step 2: Convert to fraction form
    39,063.66/53,907.82 = 21,158.66/x
  3. Step 3: Cross multiply
    39,063.66x = 53,907.82 × 21,158.66
  4. Step 4: Simplify right side
    39,063.66x = 1,140,617,234.72
  5. Step 5: Solve for x
    x = 1,140,617,234.72/39,063.66
  6. Step 6: Final answer
    x = 29,198.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.