Home / 34,057.36-46,991.80-20,629.18

Finding the Fourth Proportional to 34,057.36, 46,991.80 and 20,629.18

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Solution

The fourth proportional to 34,057.36, 46,991.80 and 20,629.18 is: 28,463.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,057.36 : 46,991.80 = 20,629.18 : x
  2. Step 2: Convert to fraction form
    34,057.36/46,991.80 = 20,629.18/x
  3. Step 3: Cross multiply
    34,057.36x = 46,991.80 × 20,629.18
  4. Step 4: Simplify right side
    34,057.36x = 969,402,269.21
  5. Step 5: Solve for x
    x = 969,402,269.21/34,057.36
  6. Step 6: Final answer
    x = 28,463.81

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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.