Home / 45,305.64-67,960.26-14,140.89

Finding the Fourth Proportional to 45,305.64, 67,960.26 and 14,140.89

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Solution

The fourth proportional to 45,305.64, 67,960.26 and 14,140.89 is: 21,211.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,305.64 : 67,960.26 = 14,140.89 : x
  2. Step 2: Convert to fraction form
    45,305.64/67,960.26 = 14,140.89/x
  3. Step 3: Cross multiply
    45,305.64x = 67,960.26 × 14,140.89
  4. Step 4: Simplify right side
    45,305.64x = 961,018,561.03
  5. Step 5: Solve for x
    x = 961,018,561.03/45,305.64
  6. Step 6: Final answer
    x = 21,211.90

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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.