Home / 53,564.27-80,289.77-19,808.60

Finding the Fourth Proportional to 53,564.27, 80,289.77 and 19,808.60

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Solution

The fourth proportional to 53,564.27, 80,289.77 and 19,808.60 is: 29,691.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,564.27 : 80,289.77 = 19,808.60 : x
  2. Step 2: Convert to fraction form
    53,564.27/80,289.77 = 19,808.60/x
  3. Step 3: Cross multiply
    53,564.27x = 80,289.77 × 19,808.60
  4. Step 4: Simplify right side
    53,564.27x = 1,590,428,039.70
  5. Step 5: Solve for x
    x = 1,590,428,039.70/53,564.27
  6. Step 6: Final answer
    x = 29,691.96

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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.