Home / 34,635.78-47,796.26-21,895.83

Finding the Fourth Proportional to 34,635.78, 47,796.26 and 21,895.83

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Solution

The fourth proportional to 34,635.78, 47,796.26 and 21,895.83 is: 30,215.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,635.78 : 47,796.26 = 21,895.83 : x
  2. Step 2: Convert to fraction form
    34,635.78/47,796.26 = 21,895.83/x
  3. Step 3: Cross multiply
    34,635.78x = 47,796.26 × 21,895.83
  4. Step 4: Simplify right side
    34,635.78x = 1,046,538,674.12
  5. Step 5: Solve for x
    x = 1,046,538,674.12/34,635.78
  6. Step 6: Final answer
    x = 30,215.54

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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.