Home / 67,638.85-101,429.42-23,270.09

Finding the Fourth Proportional to 67,638.85, 101,429.42 and 23,270.09

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Solution

The fourth proportional to 67,638.85, 101,429.42 and 23,270.09 is: 34,895.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,638.85 : 101,429.42 = 23,270.09 : x
  2. Step 2: Convert to fraction form
    67,638.85/101,429.42 = 23,270.09/x
  3. Step 3: Cross multiply
    67,638.85x = 101,429.42 × 23,270.09
  4. Step 4: Simplify right side
    67,638.85x = 2,360,271,108.55
  5. Step 5: Solve for x
    x = 2,360,271,108.55/67,638.85
  6. Step 6: Final answer
    x = 34,895.20

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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.