Home / 40,992.05-61,483.21-12,910.97

Finding the Fourth Proportional to 40,992.05, 61,483.21 and 12,910.97

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Solution

The fourth proportional to 40,992.05, 61,483.21 and 12,910.97 is: 19,364.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,992.05 : 61,483.21 = 12,910.97 : x
  2. Step 2: Convert to fraction form
    40,992.05/61,483.21 = 12,910.97/x
  3. Step 3: Cross multiply
    40,992.05x = 61,483.21 × 12,910.97
  4. Step 4: Simplify right side
    40,992.05x = 793,807,540.12
  5. Step 5: Solve for x
    x = 793,807,540.12/40,992.05
  6. Step 6: Final answer
    x = 19,364.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.