Home / 30,992.09-42,769.24-16,844.94

Finding the Fourth Proportional to 30,992.09, 42,769.24 and 16,844.94

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Solution

The fourth proportional to 30,992.09, 42,769.24 and 16,844.94 is: 23,246.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,992.09 : 42,769.24 = 16,844.94 : x
  2. Step 2: Convert to fraction form
    30,992.09/42,769.24 = 16,844.94/x
  3. Step 3: Cross multiply
    30,992.09x = 42,769.24 × 16,844.94
  4. Step 4: Simplify right side
    30,992.09x = 720,445,281.65
  5. Step 5: Solve for x
    x = 720,445,281.65/30,992.09
  6. Step 6: Final answer
    x = 23,246.10

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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.