Home / 38,375.36-52,961.87-21,382.37

Finding the Fourth Proportional to 38,375.36, 52,961.87 and 21,382.37

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Solution

The fourth proportional to 38,375.36, 52,961.87 and 21,382.37 is: 29,509.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,375.36 : 52,961.87 = 21,382.37 : x
  2. Step 2: Convert to fraction form
    38,375.36/52,961.87 = 21,382.37/x
  3. Step 3: Cross multiply
    38,375.36x = 52,961.87 × 21,382.37
  4. Step 4: Simplify right side
    38,375.36x = 1,132,449,928.51
  5. Step 5: Solve for x
    x = 1,132,449,928.51/38,375.36
  6. Step 6: Final answer
    x = 29,509.82

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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.