Home / 29,048.70-40,085.64-17,109.30

Finding the Fourth Proportional to 29,048.70, 40,085.64 and 17,109.30

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Solution

The fourth proportional to 29,048.70, 40,085.64 and 17,109.30 is: 23,609.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,048.70 : 40,085.64 = 17,109.30 : x
  2. Step 2: Convert to fraction form
    29,048.70/40,085.64 = 17,109.30/x
  3. Step 3: Cross multiply
    29,048.70x = 40,085.64 × 17,109.30
  4. Step 4: Simplify right side
    29,048.70x = 685,837,240.45
  5. Step 5: Solve for x
    x = 685,837,240.45/29,048.70
  6. Step 6: Final answer
    x = 23,609.91

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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.