Home / 40,839.23-61,249.11-15,878.27

Finding the Fourth Proportional to 40,839.23, 61,249.11 and 15,878.27

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Solution

The fourth proportional to 40,839.23, 61,249.11 and 15,878.27 is: 23,813.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,839.23 : 61,249.11 = 15,878.27 : x
  2. Step 2: Convert to fraction form
    40,839.23/61,249.11 = 15,878.27/x
  3. Step 3: Cross multiply
    40,839.23x = 61,249.11 × 15,878.27
  4. Step 4: Simplify right side
    40,839.23x = 972,529,599.59
  5. Step 5: Solve for x
    x = 972,529,599.59/40,839.23
  6. Step 6: Final answer
    x = 23,813.62

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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.