Home / 30,936.74-42,714.96-19,016.24

Finding the Fourth Proportional to 30,936.74, 42,714.96 and 19,016.24

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Solution

The fourth proportional to 30,936.74, 42,714.96 and 19,016.24 is: 26,256.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,936.74 : 42,714.96 = 19,016.24 : x
  2. Step 2: Convert to fraction form
    30,936.74/42,714.96 = 19,016.24/x
  3. Step 3: Cross multiply
    30,936.74x = 42,714.96 × 19,016.24
  4. Step 4: Simplify right side
    30,936.74x = 812,277,930.95
  5. Step 5: Solve for x
    x = 812,277,930.95/30,936.74
  6. Step 6: Final answer
    x = 26,256.09

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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.