Home / 40,880.16-61,319.03-11,299.77

Finding the Fourth Proportional to 40,880.16, 61,319.03 and 11,299.77

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Solution

The fourth proportional to 40,880.16, 61,319.03 and 11,299.77 is: 16,949.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,880.16 : 61,319.03 = 11,299.77 : x
  2. Step 2: Convert to fraction form
    40,880.16/61,319.03 = 11,299.77/x
  3. Step 3: Cross multiply
    40,880.16x = 61,319.03 × 11,299.77
  4. Step 4: Simplify right side
    40,880.16x = 692,890,879.12
  5. Step 5: Solve for x
    x = 692,890,879.12/40,880.16
  6. Step 6: Final answer
    x = 16,949.32

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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.