Home / 30,644.55-42,287.90-17,216.37

Finding the Fourth Proportional to 30,644.55, 42,287.90 and 17,216.37

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Solution

The fourth proportional to 30,644.55, 42,287.90 and 17,216.37 is: 23,757.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,644.55 : 42,287.90 = 17,216.37 : x
  2. Step 2: Convert to fraction form
    30,644.55/42,287.90 = 17,216.37/x
  3. Step 3: Cross multiply
    30,644.55x = 42,287.90 × 17,216.37
  4. Step 4: Simplify right side
    30,644.55x = 728,044,046.84
  5. Step 5: Solve for x
    x = 728,044,046.84/30,644.55
  6. Step 6: Final answer
    x = 23,757.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.