Home / 45,438.39-68,128.43-29,837.79

Finding the Fourth Proportional to 45,438.39, 68,128.43 and 29,837.79

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Solution

The fourth proportional to 45,438.39, 68,128.43 and 29,837.79 is: 44,737.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,438.39 : 68,128.43 = 29,837.79 : x
  2. Step 2: Convert to fraction form
    45,438.39/68,128.43 = 29,837.79/x
  3. Step 3: Cross multiply
    45,438.39x = 68,128.43 × 29,837.79
  4. Step 4: Simplify right side
    45,438.39x = 2,032,801,638.18
  5. Step 5: Solve for x
    x = 2,032,801,638.18/45,438.39
  6. Step 6: Final answer
    x = 44,737.54

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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.