Home / 67,287.28-92,855.22-38,995.60

Finding the Fourth Proportional to 67,287.28, 92,855.22 and 38,995.60

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Solution

The fourth proportional to 67,287.28, 92,855.22 and 38,995.60 is: 53,813.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,287.28 : 92,855.22 = 38,995.60 : x
  2. Step 2: Convert to fraction form
    67,287.28/92,855.22 = 38,995.60/x
  3. Step 3: Cross multiply
    67,287.28x = 92,855.22 × 38,995.60
  4. Step 4: Simplify right side
    67,287.28x = 3,620,945,017.03
  5. Step 5: Solve for x
    x = 3,620,945,017.03/67,287.28
  6. Step 6: Final answer
    x = 53,813.22

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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.