Home / 56,104.28-84,171.06-21,044.60

Finding the Fourth Proportional to 56,104.28, 84,171.06 and 21,044.60

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Solution

The fourth proportional to 56,104.28, 84,171.06 and 21,044.60 is: 31,572.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,104.28 : 84,171.06 = 21,044.60 : x
  2. Step 2: Convert to fraction form
    56,104.28/84,171.06 = 21,044.60/x
  3. Step 3: Cross multiply
    56,104.28x = 84,171.06 × 21,044.60
  4. Step 4: Simplify right side
    56,104.28x = 1,771,346,289.28
  5. Step 5: Solve for x
    x = 1,771,346,289.28/56,104.28
  6. Step 6: Final answer
    x = 31,572.39

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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.