Home / 34,179.20-51,268.48-11,987.36

Finding the Fourth Proportional to 34,179.20, 51,268.48 and 11,987.36

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Solution

The fourth proportional to 34,179.20, 51,268.48 and 11,987.36 is: 17,980.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,179.20 : 51,268.48 = 11,987.36 : x
  2. Step 2: Convert to fraction form
    34,179.20/51,268.48 = 11,987.36/x
  3. Step 3: Cross multiply
    34,179.20x = 51,268.48 × 11,987.36
  4. Step 4: Simplify right side
    34,179.20x = 614,573,726.41
  5. Step 5: Solve for x
    x = 614,573,726.41/34,179.20
  6. Step 6: Final answer
    x = 17,980.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.