Home / 45,439.73-62,731.43-31,869.44

Finding the Fourth Proportional to 45,439.73, 62,731.43 and 31,869.44

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Solution

The fourth proportional to 45,439.73, 62,731.43 and 31,869.44 is: 43,997.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,439.73 : 62,731.43 = 31,869.44 : x
  2. Step 2: Convert to fraction form
    45,439.73/62,731.43 = 31,869.44/x
  3. Step 3: Cross multiply
    45,439.73x = 62,731.43 × 31,869.44
  4. Step 4: Simplify right side
    45,439.73x = 1,999,215,544.50
  5. Step 5: Solve for x
    x = 1,999,215,544.50/45,439.73
  6. Step 6: Final answer
    x = 43,997.08

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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.