Home / 45,891.12-68,836.56-30,305.04

Finding the Fourth Proportional to 45,891.12, 68,836.56 and 30,305.04

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Solution

The fourth proportional to 45,891.12, 68,836.56 and 30,305.04 is: 45,457.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,891.12 : 68,836.56 = 30,305.04 : x
  2. Step 2: Convert to fraction form
    45,891.12/68,836.56 = 30,305.04/x
  3. Step 3: Cross multiply
    45,891.12x = 68,836.56 × 30,305.04
  4. Step 4: Simplify right side
    45,891.12x = 2,086,094,704.26
  5. Step 5: Solve for x
    x = 2,086,094,704.26/45,891.12
  6. Step 6: Final answer
    x = 45,457.48

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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.