Home / 43,287.48-64,952.82-19,930.32

Finding the Fourth Proportional to 43,287.48, 64,952.82 and 19,930.32

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Solution

The fourth proportional to 43,287.48, 64,952.82 and 19,930.32 is: 29,905.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,287.48 : 64,952.82 = 19,930.32 : x
  2. Step 2: Convert to fraction form
    43,287.48/64,952.82 = 19,930.32/x
  3. Step 3: Cross multiply
    43,287.48x = 64,952.82 × 19,930.32
  4. Step 4: Simplify right side
    43,287.48x = 1,294,530,487.50
  5. Step 5: Solve for x
    x = 1,294,530,487.50/43,287.48
  6. Step 6: Final answer
    x = 29,905.43

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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.