Home / 40,992.36-61,490.75-12,914.62

Finding the Fourth Proportional to 40,992.36, 61,490.75 and 12,914.62

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Solution

The fourth proportional to 40,992.36, 61,490.75 and 12,914.62 is: 19,372.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,992.36 : 61,490.75 = 12,914.62 : x
  2. Step 2: Convert to fraction form
    40,992.36/61,490.75 = 12,914.62/x
  3. Step 3: Cross multiply
    40,992.36x = 61,490.75 × 12,914.62
  4. Step 4: Simplify right side
    40,992.36x = 794,129,669.77
  5. Step 5: Solve for x
    x = 794,129,669.77/40,992.36
  6. Step 6: Final answer
    x = 19,372.63

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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.