Home / 35,771.22-49,364.64-19,857.15

Finding the Fourth Proportional to 35,771.22, 49,364.64 and 19,857.15

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Solution

The fourth proportional to 35,771.22, 49,364.64 and 19,857.15 is: 27,403.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,771.22 : 49,364.64 = 19,857.15 : x
  2. Step 2: Convert to fraction form
    35,771.22/49,364.64 = 19,857.15/x
  3. Step 3: Cross multiply
    35,771.22x = 49,364.64 × 19,857.15
  4. Step 4: Simplify right side
    35,771.22x = 980,241,061.18
  5. Step 5: Solve for x
    x = 980,241,061.18/35,771.22
  6. Step 6: Final answer
    x = 27,403.06

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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.