Home / 45,410.13-68,126.72-14,245.65

Finding the Fourth Proportional to 45,410.13, 68,126.72 and 14,245.65

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Solution

The fourth proportional to 45,410.13, 68,126.72 and 14,245.65 is: 21,372.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,410.13 : 68,126.72 = 14,245.65 : x
  2. Step 2: Convert to fraction form
    45,410.13/68,126.72 = 14,245.65/x
  3. Step 3: Cross multiply
    45,410.13x = 68,126.72 × 14,245.65
  4. Step 4: Simplify right side
    45,410.13x = 970,509,337.54
  5. Step 5: Solve for x
    x = 970,509,337.54/45,410.13
  6. Step 6: Final answer
    x = 21,372.09

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1.5x scale

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.