Home / 33,030-45,581.40-18,126.96

Finding the Fourth Proportional to 33,030, 45,581.40 and 18,126.96

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Solution

The fourth proportional to 33,030, 45,581.40 and 18,126.96 is: 25,015.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,030 : 45,581.40 = 18,126.96 : x
  2. Step 2: Convert to fraction form
    33,030/45,581.40 = 18,126.96/x
  3. Step 3: Cross multiply
    33,030x = 45,581.40 × 18,126.96
  4. Step 4: Simplify right side
    33,030x = 826,252,214.54
  5. Step 5: Solve for x
    x = 826,252,214.54/33,030
  6. Step 6: Final answer
    x = 25,015.20

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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.