Home / 53,297.64-79,858.97-18,218.16

Finding the Fourth Proportional to 53,297.64, 79,858.97 and 18,218.16

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Solution

The fourth proportional to 53,297.64, 79,858.97 and 18,218.16 is: 27,297.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,297.64 : 79,858.97 = 18,218.16 : x
  2. Step 2: Convert to fraction form
    53,297.64/79,858.97 = 18,218.16/x
  3. Step 3: Cross multiply
    53,297.64x = 79,858.97 × 18,218.16
  4. Step 4: Simplify right side
    53,297.64x = 1,454,883,401.80
  5. Step 5: Solve for x
    x = 1,454,883,401.80/53,297.64
  6. Step 6: Final answer
    x = 27,297.33

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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.