Home / 33,159.06-49,739.40-18,331.20

Finding the Fourth Proportional to 33,159.06, 49,739.40 and 18,331.20

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Solution

The fourth proportional to 33,159.06, 49,739.40 and 18,331.20 is: 27,497.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,159.06 : 49,739.40 = 18,331.20 : x
  2. Step 2: Convert to fraction form
    33,159.06/49,739.40 = 18,331.20/x
  3. Step 3: Cross multiply
    33,159.06x = 49,739.40 × 18,331.20
  4. Step 4: Simplify right side
    33,159.06x = 911,782,889.28
  5. Step 5: Solve for x
    x = 911,782,889.28/33,159.06
  6. Step 6: Final answer
    x = 27,497.25

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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.