Home / 67,271.76-92,845.96-38,993.84

Finding the Fourth Proportional to 67,271.76, 92,845.96 and 38,993.84

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Solution

The fourth proportional to 67,271.76, 92,845.96 and 38,993.84 is: 53,817.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,271.76 : 92,845.96 = 38,993.84 : x
  2. Step 2: Convert to fraction form
    67,271.76/92,845.96 = 38,993.84/x
  3. Step 3: Cross multiply
    67,271.76x = 92,845.96 × 38,993.84
  4. Step 4: Simplify right side
    67,271.76x = 3,620,420,508.89
  5. Step 5: Solve for x
    x = 3,620,420,508.89/67,271.76
  6. Step 6: Final answer
    x = 53,817.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.