Home / 45,967.23-68,909.81-19,658.43

Finding the Fourth Proportional to 45,967.23, 68,909.81 and 19,658.43

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Solution

The fourth proportional to 45,967.23, 68,909.81 and 19,658.43 is: 29,470.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,967.23 : 68,909.81 = 19,658.43 : x
  2. Step 2: Convert to fraction form
    45,967.23/68,909.81 = 19,658.43/x
  3. Step 3: Cross multiply
    45,967.23x = 68,909.81 × 19,658.43
  4. Step 4: Simplify right side
    45,967.23x = 1,354,658,577.91
  5. Step 5: Solve for x
    x = 1,354,658,577.91/45,967.23
  6. Step 6: Final answer
    x = 29,470.09

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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.