Home / 29,005.65-43,161.03-28,907.28

Finding the Fourth Proportional to 29,005.65, 43,161.03 and 28,907.28

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Solution

The fourth proportional to 29,005.65, 43,161.03 and 28,907.28 is: 43,014.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,005.65 : 43,161.03 = 28,907.28 : x
  2. Step 2: Convert to fraction form
    29,005.65/43,161.03 = 28,907.28/x
  3. Step 3: Cross multiply
    29,005.65x = 43,161.03 × 28,907.28
  4. Step 4: Simplify right side
    29,005.65x = 1,247,667,979.30
  5. Step 5: Solve for x
    x = 1,247,667,979.30/29,005.65
  6. Step 6: Final answer
    x = 43,014.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.