Home / 30,996.09-42,775.07-16,848.95

Finding the Fourth Proportional to 30,996.09, 42,775.07 and 16,848.95

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Solution

The fourth proportional to 30,996.09, 42,775.07 and 16,848.95 is: 23,251.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,996.09 : 42,775.07 = 16,848.95 : x
  2. Step 2: Convert to fraction form
    30,996.09/42,775.07 = 16,848.95/x
  3. Step 3: Cross multiply
    30,996.09x = 42,775.07 × 16,848.95
  4. Step 4: Simplify right side
    30,996.09x = 720,714,717.56
  5. Step 5: Solve for x
    x = 720,714,717.56/30,996.09
  6. Step 6: Final answer
    x = 23,251.79

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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.