Home / 33,071.49-49,555.40-28,120.77

Finding the Fourth Proportional to 33,071.49, 49,555.40 and 28,120.77

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Solution

The fourth proportional to 33,071.49, 49,555.40 and 28,120.77 is: 42,137.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,071.49 : 49,555.40 = 28,120.77 : x
  2. Step 2: Convert to fraction form
    33,071.49/49,555.40 = 28,120.77/x
  3. Step 3: Cross multiply
    33,071.49x = 49,555.40 × 28,120.77
  4. Step 4: Simplify right side
    33,071.49x = 1,393,535,865.05
  5. Step 5: Solve for x
    x = 1,393,535,865.05/33,071.49
  6. Step 6: Final answer
    x = 42,137.08

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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.