Home / 29,130.52-43,665.44-19,771.28

Finding the Fourth Proportional to 29,130.52, 43,665.44 and 19,771.28

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Solution

The fourth proportional to 29,130.52, 43,665.44 and 19,771.28 is: 29,636.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,130.52 : 43,665.44 = 19,771.28 : x
  2. Step 2: Convert to fraction form
    29,130.52/43,665.44 = 19,771.28/x
  3. Step 3: Cross multiply
    29,130.52x = 43,665.44 × 19,771.28
  4. Step 4: Simplify right side
    29,130.52x = 863,321,640.56
  5. Step 5: Solve for x
    x = 863,321,640.56/29,130.52
  6. Step 6: Final answer
    x = 29,636.33

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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.