Home / 43,295.04-64,942.56-19,941.12

Finding the Fourth Proportional to 43,295.04, 64,942.56 and 19,941.12

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Solution

The fourth proportional to 43,295.04, 64,942.56 and 19,941.12 is: 29,911.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,295.04 : 64,942.56 = 19,941.12 : x
  2. Step 2: Convert to fraction form
    43,295.04/64,942.56 = 19,941.12/x
  3. Step 3: Cross multiply
    43,295.04x = 64,942.56 × 19,941.12
  4. Step 4: Simplify right side
    43,295.04x = 1,295,027,382.07
  5. Step 5: Solve for x
    x = 1,295,027,382.07/43,295.04
  6. Step 6: Final answer
    x = 29,911.68

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Double scale
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Similar ratio
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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.