Home / 43,322.05-64,969.84-18,361.63

Finding the Fourth Proportional to 43,322.05, 64,969.84 and 18,361.63

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Solution

The fourth proportional to 43,322.05, 64,969.84 and 18,361.63 is: 27,536.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,322.05 : 64,969.84 = 18,361.63 : x
  2. Step 2: Convert to fraction form
    43,322.05/64,969.84 = 18,361.63/x
  3. Step 3: Cross multiply
    43,322.05x = 64,969.84 × 18,361.63
  4. Step 4: Simplify right side
    43,322.05x = 1,192,951,746.58
  5. Step 5: Solve for x
    x = 1,192,951,746.58/43,322.05
  6. Step 6: Final answer
    x = 27,536.83

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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.