Home / 45,546.80-68,320.61-13,956.80

Finding the Fourth Proportional to 45,546.80, 68,320.61 and 13,956.80

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Solution

The fourth proportional to 45,546.80, 68,320.61 and 13,956.80 is: 20,935.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,546.80 : 68,320.61 = 13,956.80 : x
  2. Step 2: Convert to fraction form
    45,546.80/68,320.61 = 13,956.80/x
  3. Step 3: Cross multiply
    45,546.80x = 68,320.61 × 13,956.80
  4. Step 4: Simplify right side
    45,546.80x = 953,537,019.86
  5. Step 5: Solve for x
    x = 953,537,019.86/45,546.80
  6. Step 6: Final answer
    x = 20,935.32

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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.