Home / 35,638.03-49,181.14-19,723.96

Finding the Fourth Proportional to 35,638.03, 49,181.14 and 19,723.96

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Solution

The fourth proportional to 35,638.03, 49,181.14 and 19,723.96 is: 27,219.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,638.03 : 49,181.14 = 19,723.96 : x
  2. Step 2: Convert to fraction form
    35,638.03/49,181.14 = 19,723.96/x
  3. Step 3: Cross multiply
    35,638.03x = 49,181.14 × 19,723.96
  4. Step 4: Simplify right side
    35,638.03x = 970,046,838.11
  5. Step 5: Solve for x
    x = 970,046,838.11/35,638.03
  6. Step 6: Final answer
    x = 27,219.43

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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.