Home / 35,636.36-53,438.74-18,993.28

Finding the Fourth Proportional to 35,636.36, 53,438.74 and 18,993.28

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Solution

The fourth proportional to 35,636.36, 53,438.74 and 18,993.28 is: 28,481.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,636.36 : 53,438.74 = 18,993.28 : x
  2. Step 2: Convert to fraction form
    35,636.36/53,438.74 = 18,993.28/x
  3. Step 3: Cross multiply
    35,636.36x = 53,438.74 × 18,993.28
  4. Step 4: Simplify right side
    35,636.36x = 1,014,976,951.67
  5. Step 5: Solve for x
    x = 1,014,976,951.67/35,636.36
  6. Step 6: Final answer
    x = 28,481.50

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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.