Home / 67,639.10-101,429.79-23,270.34

Finding the Fourth Proportional to 67,639.10, 101,429.79 and 23,270.34

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Solution

The fourth proportional to 67,639.10, 101,429.79 and 23,270.34 is: 34,895.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,639.10 : 101,429.79 = 23,270.34 : x
  2. Step 2: Convert to fraction form
    67,639.10/101,429.79 = 23,270.34/x
  3. Step 3: Cross multiply
    67,639.10x = 101,429.79 × 23,270.34
  4. Step 4: Simplify right side
    67,639.10x = 2,360,305,192.28
  5. Step 5: Solve for x
    x = 2,360,305,192.28/67,639.10
  6. Step 6: Final answer
    x = 34,895.57

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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.