Home / 43,998.64-65,679.33-38,678.31

Finding the Fourth Proportional to 43,998.64, 65,679.33 and 38,678.31

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Solution

The fourth proportional to 43,998.64, 65,679.33 and 38,678.31 is: 57,737.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,998.64 : 65,679.33 = 38,678.31 : x
  2. Step 2: Convert to fraction form
    43,998.64/65,679.33 = 38,678.31/x
  3. Step 3: Cross multiply
    43,998.64x = 65,679.33 × 38,678.31
  4. Step 4: Simplify right side
    43,998.64x = 2,540,365,522.59
  5. Step 5: Solve for x
    x = 2,540,365,522.59/43,998.64
  6. Step 6: Final answer
    x = 57,737.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.