Home / 43,216.84-64,842.54-18,610.12

Finding the Fourth Proportional to 43,216.84, 64,842.54 and 18,610.12

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Solution

The fourth proportional to 43,216.84, 64,842.54 and 18,610.12 is: 27,922.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,216.84 : 64,842.54 = 18,610.12 : x
  2. Step 2: Convert to fraction form
    43,216.84/64,842.54 = 18,610.12/x
  3. Step 3: Cross multiply
    43,216.84x = 64,842.54 × 18,610.12
  4. Step 4: Simplify right side
    43,216.84x = 1,206,727,450.50
  5. Step 5: Solve for x
    x = 1,206,727,450.50/43,216.84
  6. Step 6: Final answer
    x = 27,922.62

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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.