Home / 35,684.92-53,487.78-18,118.36

Finding the Fourth Proportional to 35,684.92, 53,487.78 and 18,118.36

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Solution

The fourth proportional to 35,684.92, 53,487.78 and 18,118.36 is: 27,157.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,684.92 : 53,487.78 = 18,118.36 : x
  2. Step 2: Convert to fraction form
    35,684.92/53,487.78 = 18,118.36/x
  3. Step 3: Cross multiply
    35,684.92x = 53,487.78 × 18,118.36
  4. Step 4: Simplify right side
    35,684.92x = 969,110,853.64
  5. Step 5: Solve for x
    x = 969,110,853.64/35,684.92
  6. Step 6: Final answer
    x = 27,157.43

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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.