Home / 45,342.76-67,910.42-21,666.95

Finding the Fourth Proportional to 45,342.76, 67,910.42 and 21,666.95

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Solution

The fourth proportional to 45,342.76, 67,910.42 and 21,666.95 is: 32,450.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,342.76 : 67,910.42 = 21,666.95 : x
  2. Step 2: Convert to fraction form
    45,342.76/67,910.42 = 21,666.95/x
  3. Step 3: Cross multiply
    45,342.76x = 67,910.42 × 21,666.95
  4. Step 4: Simplify right side
    45,342.76x = 1,471,411,674.62
  5. Step 5: Solve for x
    x = 1,471,411,674.62/45,342.76
  6. Step 6: Final answer
    x = 32,450.86

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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.