Home / 66,640.38-99,965.75-22,267.29

Finding the Fourth Proportional to 66,640.38, 99,965.75 and 22,267.29

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Solution

The fourth proportional to 66,640.38, 99,965.75 and 22,267.29 is: 33,402.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,640.38 : 99,965.75 = 22,267.29 : x
  2. Step 2: Convert to fraction form
    66,640.38/99,965.75 = 22,267.29/x
  3. Step 3: Cross multiply
    66,640.38x = 99,965.75 × 22,267.29
  4. Step 4: Simplify right side
    66,640.38x = 2,225,966,468.28
  5. Step 5: Solve for x
    x = 2,225,966,468.28/66,640.38
  6. Step 6: Final answer
    x = 33,402.67

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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.