Home / 35,742.85-49,331.05-19,832.43

Finding the Fourth Proportional to 35,742.85, 49,331.05 and 19,832.43

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Solution

The fourth proportional to 35,742.85, 49,331.05 and 19,832.43 is: 27,372.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,742.85 : 49,331.05 = 19,832.43 : x
  2. Step 2: Convert to fraction form
    35,742.85/49,331.05 = 19,832.43/x
  3. Step 3: Cross multiply
    35,742.85x = 49,331.05 × 19,832.43
  4. Step 4: Simplify right side
    35,742.85x = 978,354,595.95
  5. Step 5: Solve for x
    x = 978,354,595.95/35,742.85
  6. Step 6: Final answer
    x = 27,372.04

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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.