Home / 43,107.04-64,653.24-11,935

Finding the Fourth Proportional to 43,107.04, 64,653.24 and 11,935

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Solution

The fourth proportional to 43,107.04, 64,653.24 and 11,935 is: 17,900.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,107.04 : 64,653.24 = 11,935 : x
  2. Step 2: Convert to fraction form
    43,107.04/64,653.24 = 11,935/x
  3. Step 3: Cross multiply
    43,107.04x = 64,653.24 × 11,935
  4. Step 4: Simplify right side
    43,107.04x = 771,636,419.40
  5. Step 5: Solve for x
    x = 771,636,419.40/43,107.04
  6. Step 6: Final answer
    x = 17,900.47

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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.