Home / 45,938.88-68,912.10-19,643.85

Finding the Fourth Proportional to 45,938.88, 68,912.10 and 19,643.85

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Solution

The fourth proportional to 45,938.88, 68,912.10 and 19,643.85 is: 29,467.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,938.88 : 68,912.10 = 19,643.85 : x
  2. Step 2: Convert to fraction form
    45,938.88/68,912.10 = 19,643.85/x
  3. Step 3: Cross multiply
    45,938.88x = 68,912.10 × 19,643.85
  4. Step 4: Simplify right side
    45,938.88x = 1,353,698,955.59
  5. Step 5: Solve for x
    x = 1,353,698,955.59/45,938.88
  6. Step 6: Final answer
    x = 29,467.39

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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.