Home / 65,558.50-98,310.63-20,564.85

Finding the Fourth Proportional to 65,558.50, 98,310.63 and 20,564.85

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Solution

The fourth proportional to 65,558.50, 98,310.63 and 20,564.85 is: 30,838.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,558.50 : 98,310.63 = 20,564.85 : x
  2. Step 2: Convert to fraction form
    65,558.50/98,310.63 = 20,564.85/x
  3. Step 3: Cross multiply
    65,558.50x = 98,310.63 × 20,564.85
  4. Step 4: Simplify right side
    65,558.50x = 2,021,742,867.80
  5. Step 5: Solve for x
    x = 2,021,742,867.80/65,558.50
  6. Step 6: Final answer
    x = 30,838.76

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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.