Home / 40,696.83-61,037.55-12,613.32

Finding the Fourth Proportional to 40,696.83, 61,037.55 and 12,613.32

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Solution

The fourth proportional to 40,696.83, 61,037.55 and 12,613.32 is: 18,917.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,696.83 : 61,037.55 = 12,613.32 : x
  2. Step 2: Convert to fraction form
    40,696.83/61,037.55 = 12,613.32/x
  3. Step 3: Cross multiply
    40,696.83x = 61,037.55 × 12,613.32
  4. Step 4: Simplify right side
    40,696.83x = 769,886,150.17
  5. Step 5: Solve for x
    x = 769,886,150.17/40,696.83
  6. Step 6: Final answer
    x = 18,917.60

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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.