Home / 43,106.64-64,659.96-11,941.88

Finding the Fourth Proportional to 43,106.64, 64,659.96 and 11,941.88

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Solution

The fourth proportional to 43,106.64, 64,659.96 and 11,941.88 is: 17,912.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,106.64 : 64,659.96 = 11,941.88 : x
  2. Step 2: Convert to fraction form
    43,106.64/64,659.96 = 11,941.88/x
  3. Step 3: Cross multiply
    43,106.64x = 64,659.96 × 11,941.88
  4. Step 4: Simplify right side
    43,106.64x = 772,161,483.12
  5. Step 5: Solve for x
    x = 772,161,483.12/43,106.64
  6. Step 6: Final answer
    x = 17,912.82

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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.