Home / 71,214.38-106,821.80-26,829.21

Finding the Fourth Proportional to 71,214.38, 106,821.80 and 26,829.21

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Solution

The fourth proportional to 71,214.38, 106,821.80 and 26,829.21 is: 40,243.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,214.38 : 106,821.80 = 26,829.21 : x
  2. Step 2: Convert to fraction form
    71,214.38/106,821.80 = 26,829.21/x
  3. Step 3: Cross multiply
    71,214.38x = 106,821.80 × 26,829.21
  4. Step 4: Simplify right side
    71,214.38x = 2,865,944,370.63
  5. Step 5: Solve for x
    x = 2,865,944,370.63/71,214.38
  6. Step 6: Final answer
    x = 40,243.90

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1.5x scale

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.