Home / 43,179.46-64,741.38-18,212.83

Finding the Fourth Proportional to 43,179.46, 64,741.38 and 18,212.83

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Solution

The fourth proportional to 43,179.46, 64,741.38 and 18,212.83 is: 27,307.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,179.46 : 64,741.38 = 18,212.83 : x
  2. Step 2: Convert to fraction form
    43,179.46/64,741.38 = 18,212.83/x
  3. Step 3: Cross multiply
    43,179.46x = 64,741.38 × 18,212.83
  4. Step 4: Simplify right side
    43,179.46x = 1,179,123,881.92
  5. Step 5: Solve for x
    x = 1,179,123,881.92/43,179.46
  6. Step 6: Final answer
    x = 27,307.52

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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.