Home / 32,939.97-45,460.74-21,618.60

Finding the Fourth Proportional to 32,939.97, 45,460.74 and 21,618.60

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Solution

The fourth proportional to 32,939.97, 45,460.74 and 21,618.60 is: 29,836.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,939.97 : 45,460.74 = 21,618.60 : x
  2. Step 2: Convert to fraction form
    32,939.97/45,460.74 = 21,618.60/x
  3. Step 3: Cross multiply
    32,939.97x = 45,460.74 × 21,618.60
  4. Step 4: Simplify right side
    32,939.97x = 982,797,464.36
  5. Step 5: Solve for x
    x = 982,797,464.36/32,939.97
  6. Step 6: Final answer
    x = 29,836.02

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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.