Home / 30,690.44-46,037.60-9,631.31

Finding the Fourth Proportional to 30,690.44, 46,037.60 and 9,631.31

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Solution

The fourth proportional to 30,690.44, 46,037.60 and 9,631.31 is: 14,447.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,690.44 : 46,037.60 = 9,631.31 : x
  2. Step 2: Convert to fraction form
    30,690.44/46,037.60 = 9,631.31/x
  3. Step 3: Cross multiply
    30,690.44x = 46,037.60 × 9,631.31
  4. Step 4: Simplify right side
    30,690.44x = 443,402,468.17
  5. Step 5: Solve for x
    x = 443,402,468.17/30,690.44
  6. Step 6: Final answer
    x = 14,447.58

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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.