Home / 33,090-45,664.20-18,185.68

Finding the Fourth Proportional to 33,090, 45,664.20 and 18,185.68

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Solution

The fourth proportional to 33,090, 45,664.20 and 18,185.68 is: 25,096.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,090 : 45,664.20 = 18,185.68 : x
  2. Step 2: Convert to fraction form
    33,090/45,664.20 = 18,185.68/x
  3. Step 3: Cross multiply
    33,090x = 45,664.20 × 18,185.68
  4. Step 4: Simplify right side
    33,090x = 830,434,528.66
  5. Step 5: Solve for x
    x = 830,434,528.66/33,090
  6. Step 6: Final answer
    x = 25,096.24

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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.