Home / 35,318.67-48,739.79-19,403.15

Finding the Fourth Proportional to 35,318.67, 48,739.79 and 19,403.15

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Solution

The fourth proportional to 35,318.67, 48,739.79 and 19,403.15 is: 26,776.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,318.67 : 48,739.79 = 19,403.15 : x
  2. Step 2: Convert to fraction form
    35,318.67/48,739.79 = 19,403.15/x
  3. Step 3: Cross multiply
    35,318.67x = 48,739.79 × 19,403.15
  4. Step 4: Simplify right side
    35,318.67x = 945,705,261.15
  5. Step 5: Solve for x
    x = 945,705,261.15/35,318.67
  6. Step 6: Final answer
    x = 26,776.36

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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.