Home / 33,033.49-45,573.24-18,878.74

Finding the Fourth Proportional to 33,033.49, 45,573.24 and 18,878.74

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Solution

The fourth proportional to 33,033.49, 45,573.24 and 18,878.74 is: 26,045.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,033.49 : 45,573.24 = 18,878.74 : x
  2. Step 2: Convert to fraction form
    33,033.49/45,573.24 = 18,878.74/x
  3. Step 3: Cross multiply
    33,033.49x = 45,573.24 × 18,878.74
  4. Step 4: Simplify right side
    33,033.49x = 860,365,348.92
  5. Step 5: Solve for x
    x = 860,365,348.92/33,033.49
  6. Step 6: Final answer
    x = 26,045.25

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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.