Home / 45,912.96-63,288-29,989.44

Finding the Fourth Proportional to 45,912.96, 63,288 and 29,989.44

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Solution

The fourth proportional to 45,912.96, 63,288 and 29,989.44 is: 41,338.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,912.96 : 63,288 = 29,989.44 : x
  2. Step 2: Convert to fraction form
    45,912.96/63,288 = 29,989.44/x
  3. Step 3: Cross multiply
    45,912.96x = 63,288 × 29,989.44
  4. Step 4: Simplify right side
    45,912.96x = 1,897,971,678.72
  5. Step 5: Solve for x
    x = 1,897,971,678.72/45,912.96
  6. Step 6: Final answer
    x = 41,338.47

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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.