Home / 30,136.34-45,177.77-11,403.27

Finding the Fourth Proportional to 30,136.34, 45,177.77 and 11,403.27

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Solution

The fourth proportional to 30,136.34, 45,177.77 and 11,403.27 is: 17,094.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,136.34 : 45,177.77 = 11,403.27 : x
  2. Step 2: Convert to fraction form
    30,136.34/45,177.77 = 11,403.27/x
  3. Step 3: Cross multiply
    30,136.34x = 45,177.77 × 11,403.27
  4. Step 4: Simplify right side
    30,136.34x = 515,174,252.29
  5. Step 5: Solve for x
    x = 515,174,252.29/30,136.34
  6. Step 6: Final answer
    x = 17,094.79

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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.