Home / 31,529,873.12-43,511,205.64-17,043,185.12

Finding the Fourth Proportional to 31,529,873.12, 43,511,205.64 and 17,043,185.12

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Solution

The fourth proportional to 31,529,873.12, 43,511,205.64 and 17,043,185.12 is: 23,519,585.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,529,873.12 : 43,511,205.64 = 17,043,185.12 : x
  2. Step 2: Convert to fraction form
    31,529,873.12/43,511,205.64 = 17,043,185.12/x
  3. Step 3: Cross multiply
    31,529,873.12x = 43,511,205.64 × 17,043,185.12
  4. Step 4: Simplify right side
    31,529,873.12x = 741,569,532,516,908.12
  5. Step 5: Solve for x
    x = 741,569,532,516,908.12/31,529,873.12
  6. Step 6: Final answer
    x = 23,519,585.05

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.