Home / 43,104.64-64,661.46-11,939.89

Finding the Fourth Proportional to 43,104.64, 64,661.46 and 11,939.89

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Solution

The fourth proportional to 43,104.64, 64,661.46 and 11,939.89 is: 17,911.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,104.64 : 64,661.46 = 11,939.89 : x
  2. Step 2: Convert to fraction form
    43,104.64/64,661.46 = 11,939.89/x
  3. Step 3: Cross multiply
    43,104.64x = 64,661.46 × 11,939.89
  4. Step 4: Simplify right side
    43,104.64x = 772,050,719.64
  5. Step 5: Solve for x
    x = 772,050,719.64/43,104.64
  6. Step 6: Final answer
    x = 17,911.08

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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.