Home / 55,453.28-83,130.00-19,906.26

Finding the Fourth Proportional to 55,453.28, 83,130.00 and 19,906.26

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Solution

The fourth proportional to 55,453.28, 83,130.00 and 19,906.26 is: 29,841.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,453.28 : 83,130.00 = 19,906.26 : x
  2. Step 2: Convert to fraction form
    55,453.28/83,130.00 = 19,906.26/x
  3. Step 3: Cross multiply
    55,453.28x = 83,130.00 × 19,906.26
  4. Step 4: Simplify right side
    55,453.28x = 1,654,807,007.41
  5. Step 5: Solve for x
    x = 1,654,807,007.41/55,453.28
  6. Step 6: Final answer
    x = 29,841.47

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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.