Home / 33,058.08-45,606.96-21,118.32

Finding the Fourth Proportional to 33,058.08, 45,606.96 and 21,118.32

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Solution

The fourth proportional to 33,058.08, 45,606.96 and 21,118.32 is: 29,134.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,058.08 : 45,606.96 = 21,118.32 : x
  2. Step 2: Convert to fraction form
    33,058.08/45,606.96 = 21,118.32/x
  3. Step 3: Cross multiply
    33,058.08x = 45,606.96 × 21,118.32
  4. Step 4: Simplify right side
    33,058.08x = 963,142,375.51
  5. Step 5: Solve for x
    x = 963,142,375.51/33,058.08
  6. Step 6: Final answer
    x = 29,134.86

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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.