Home / 67,278.76-92,855.60-39,000.84

Finding the Fourth Proportional to 67,278.76, 92,855.60 and 39,000.84

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Solution

The fourth proportional to 67,278.76, 92,855.60 and 39,000.84 is: 53,827.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,278.76 : 92,855.60 = 39,000.84 : x
  2. Step 2: Convert to fraction form
    67,278.76/92,855.60 = 39,000.84/x
  3. Step 3: Cross multiply
    67,278.76x = 92,855.60 × 39,000.84
  4. Step 4: Simplify right side
    67,278.76x = 3,621,446,398.70
  5. Step 5: Solve for x
    x = 3,621,446,398.70/67,278.76
  6. Step 6: Final answer
    x = 53,827.48

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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.