Home / 30,992.07-42,767.24-16,844.79

Finding the Fourth Proportional to 30,992.07, 42,767.24 and 16,844.79

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Solution

The fourth proportional to 30,992.07, 42,767.24 and 16,844.79 is: 23,244.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,992.07 : 42,767.24 = 16,844.79 : x
  2. Step 2: Convert to fraction form
    30,992.07/42,767.24 = 16,844.79/x
  3. Step 3: Cross multiply
    30,992.07x = 42,767.24 × 16,844.79
  4. Step 4: Simplify right side
    30,992.07x = 720,404,962.84
  5. Step 5: Solve for x
    x = 720,404,962.84/30,992.07
  6. Step 6: Final answer
    x = 23,244.82

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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.