Home / 29,078.19-43,560.18-19,187.28

Finding the Fourth Proportional to 29,078.19, 43,560.18 and 19,187.28

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Solution

The fourth proportional to 29,078.19, 43,560.18 and 19,187.28 is: 28,743.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,078.19 : 43,560.18 = 19,187.28 : x
  2. Step 2: Convert to fraction form
    29,078.19/43,560.18 = 19,187.28/x
  3. Step 3: Cross multiply
    29,078.19x = 43,560.18 × 19,187.28
  4. Step 4: Simplify right side
    29,078.19x = 835,801,370.51
  5. Step 5: Solve for x
    x = 835,801,370.51/29,078.19
  6. Step 6: Final answer
    x = 28,743.24

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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.