Home / 53,564.69-80,352.39-19,839.79

Finding the Fourth Proportional to 53,564.69, 80,352.39 and 19,839.79

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Solution

The fourth proportional to 53,564.69, 80,352.39 and 19,839.79 is: 29,761.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,564.69 : 80,352.39 = 19,839.79 : x
  2. Step 2: Convert to fraction form
    53,564.69/80,352.39 = 19,839.79/x
  3. Step 3: Cross multiply
    53,564.69x = 80,352.39 × 19,839.79
  4. Step 4: Simplify right side
    53,564.69x = 1,594,174,543.60
  5. Step 5: Solve for x
    x = 1,594,174,543.60/53,564.69
  6. Step 6: Final answer
    x = 29,761.67

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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.