Home / 33,118.80-45,703.72-18,971.32

Finding the Fourth Proportional to 33,118.80, 45,703.72 and 18,971.32

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Solution

The fourth proportional to 33,118.80, 45,703.72 and 18,971.32 is: 26,180.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,118.80 : 45,703.72 = 18,971.32 : x
  2. Step 2: Convert to fraction form
    33,118.80/45,703.72 = 18,971.32/x
  3. Step 3: Cross multiply
    33,118.80x = 45,703.72 × 18,971.32
  4. Step 4: Simplify right side
    33,118.80x = 867,059,897.31
  5. Step 5: Solve for x
    x = 867,059,897.31/33,118.80
  6. Step 6: Final answer
    x = 26,180.29

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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.