Home / 43,631.69-65,438.24-19,932.48

Finding the Fourth Proportional to 43,631.69, 65,438.24 and 19,932.48

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Solution

The fourth proportional to 43,631.69, 65,438.24 and 19,932.48 is: 29,894.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,631.69 : 65,438.24 = 19,932.48 : x
  2. Step 2: Convert to fraction form
    43,631.69/65,438.24 = 19,932.48/x
  3. Step 3: Cross multiply
    43,631.69x = 65,438.24 × 19,932.48
  4. Step 4: Simplify right side
    43,631.69x = 1,304,346,310.37
  5. Step 5: Solve for x
    x = 1,304,346,310.37/43,631.69
  6. Step 6: Final answer
    x = 29,894.47

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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.