Home / 53,336.58-79,917.21-18,257.10

Finding the Fourth Proportional to 53,336.58, 79,917.21 and 18,257.10

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Solution

The fourth proportional to 53,336.58, 79,917.21 and 18,257.10 is: 27,355.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,336.58 : 79,917.21 = 18,257.10 : x
  2. Step 2: Convert to fraction form
    53,336.58/79,917.21 = 18,257.10/x
  3. Step 3: Cross multiply
    53,336.58x = 79,917.21 × 18,257.10
  4. Step 4: Simplify right side
    53,336.58x = 1,459,056,494.69
  5. Step 5: Solve for x
    x = 1,459,056,494.69/53,336.58
  6. Step 6: Final answer
    x = 27,355.64

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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.