Home / 35,741.22-49,328.79-19,830.80

Finding the Fourth Proportional to 35,741.22, 49,328.79 and 19,830.80

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Solution

The fourth proportional to 35,741.22, 49,328.79 and 19,830.80 is: 27,369.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,741.22 : 49,328.79 = 19,830.80 : x
  2. Step 2: Convert to fraction form
    35,741.22/49,328.79 = 19,830.80/x
  3. Step 3: Cross multiply
    35,741.22x = 49,328.79 × 19,830.80
  4. Step 4: Simplify right side
    35,741.22x = 978,229,122.09
  5. Step 5: Solve for x
    x = 978,229,122.09/35,741.22
  6. Step 6: Final answer
    x = 27,369.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.