Home / 40,878.99-61,318.52-11,296.85

Finding the Fourth Proportional to 40,878.99, 61,318.52 and 11,296.85

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Solution

The fourth proportional to 40,878.99, 61,318.52 and 11,296.85 is: 16,945.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,878.99 : 61,318.52 = 11,296.85 : x
  2. Step 2: Convert to fraction form
    40,878.99/61,318.52 = 11,296.85/x
  3. Step 3: Cross multiply
    40,878.99x = 61,318.52 × 11,296.85
  4. Step 4: Simplify right side
    40,878.99x = 692,705,759.59
  5. Step 5: Solve for x
    x = 692,705,759.59/40,878.99
  6. Step 6: Final answer
    x = 16,945.28

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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.