Home / 29,358.70-43,954.14-19,478.32

Finding the Fourth Proportional to 29,358.70, 43,954.14 and 19,478.32

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Solution

The fourth proportional to 29,358.70, 43,954.14 and 19,478.32 is: 29,161.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,358.70 : 43,954.14 = 19,478.32 : x
  2. Step 2: Convert to fraction form
    29,358.70/43,954.14 = 19,478.32/x
  3. Step 3: Cross multiply
    29,358.70x = 43,954.14 × 19,478.32
  4. Step 4: Simplify right side
    29,358.70x = 856,152,804.24
  5. Step 5: Solve for x
    x = 856,152,804.24/29,358.70
  6. Step 6: Final answer
    x = 29,161.81

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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.