Home / 65,769.18-98,668.38-30,689.70

Finding the Fourth Proportional to 65,769.18, 98,668.38 and 30,689.70

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Solution

The fourth proportional to 65,769.18, 98,668.38 and 30,689.70 is: 46,041.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,769.18 : 98,668.38 = 30,689.70 : x
  2. Step 2: Convert to fraction form
    65,769.18/98,668.38 = 30,689.70/x
  3. Step 3: Cross multiply
    65,769.18x = 98,668.38 × 30,689.70
  4. Step 4: Simplify right side
    65,769.18x = 3,028,102,981.69
  5. Step 5: Solve for x
    x = 3,028,102,981.69/65,769.18
  6. Step 6: Final answer
    x = 46,041.37

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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.