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Finding the Fourth Proportional to 45,306, 62,300.34 and 39,327.18

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Solution

The fourth proportional to 45,306, 62,300.34 and 39,327.18 is: 54,078.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,306 : 62,300.34 = 39,327.18 : x
  2. Step 2: Convert to fraction form
    45,306/62,300.34 = 39,327.18/x
  3. Step 3: Cross multiply
    45,306x = 62,300.34 × 39,327.18
  4. Step 4: Simplify right side
    45,306x = 2,450,096,685.24
  5. Step 5: Solve for x
    x = 2,450,096,685.24/45,306
  6. Step 6: Final answer
    x = 54,078.86

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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.