Home / 34,723.78-47,918.82-18,808.18

Finding the Fourth Proportional to 34,723.78, 47,918.82 and 18,808.18

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Solution

The fourth proportional to 34,723.78, 47,918.82 and 18,808.18 is: 25,955.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,723.78 : 47,918.82 = 18,808.18 : x
  2. Step 2: Convert to fraction form
    34,723.78/47,918.82 = 18,808.18/x
  3. Step 3: Cross multiply
    34,723.78x = 47,918.82 × 18,808.18
  4. Step 4: Simplify right side
    34,723.78x = 901,265,791.95
  5. Step 5: Solve for x
    x = 901,265,791.95/34,723.78
  6. Step 6: Final answer
    x = 25,955.29

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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.