Home / 33,872.76-46,746.09-20,443.77

Finding the Fourth Proportional to 33,872.76, 46,746.09 and 20,443.77

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Solution

The fourth proportional to 33,872.76, 46,746.09 and 20,443.77 is: 28,213.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,872.76 : 46,746.09 = 20,443.77 : x
  2. Step 2: Convert to fraction form
    33,872.76/46,746.09 = 20,443.77/x
  3. Step 3: Cross multiply
    33,872.76x = 46,746.09 × 20,443.77
  4. Step 4: Simplify right side
    33,872.76x = 955,666,312.36
  5. Step 5: Solve for x
    x = 955,666,312.36/33,872.76
  6. Step 6: Final answer
    x = 28,213.42

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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.