Home / 34,008.48-46,900.31-21,257.59

Finding the Fourth Proportional to 34,008.48, 46,900.31 and 21,257.59

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Solution

The fourth proportional to 34,008.48, 46,900.31 and 21,257.59 is: 29,315.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,008.48 : 46,900.31 = 21,257.59 : x
  2. Step 2: Convert to fraction form
    34,008.48/46,900.31 = 21,257.59/x
  3. Step 3: Cross multiply
    34,008.48x = 46,900.31 × 21,257.59
  4. Step 4: Simplify right side
    34,008.48x = 996,987,454.56
  5. Step 5: Solve for x
    x = 996,987,454.56/34,008.48
  6. Step 6: Final answer
    x = 29,315.85

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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.