Home / 30,992.52-42,769.36-16,845.27

Finding the Fourth Proportional to 30,992.52, 42,769.36 and 16,845.27

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Solution

The fourth proportional to 30,992.52, 42,769.36 and 16,845.27 is: 23,246.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,992.52 : 42,769.36 = 16,845.27 : x
  2. Step 2: Convert to fraction form
    30,992.52/42,769.36 = 16,845.27/x
  3. Step 3: Cross multiply
    30,992.52x = 42,769.36 × 16,845.27
  4. Step 4: Simplify right side
    30,992.52x = 720,461,416.93
  5. Step 5: Solve for x
    x = 720,461,416.93/30,992.52
  6. Step 6: Final answer
    x = 23,246.30

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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.