Home / 65,838.04-90,855.85-35,622.70

Finding the Fourth Proportional to 65,838.04, 90,855.85 and 35,622.70

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Solution

The fourth proportional to 65,838.04, 90,855.85 and 35,622.70 is: 49,158.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,838.04 : 90,855.85 = 35,622.70 : x
  2. Step 2: Convert to fraction form
    65,838.04/90,855.85 = 35,622.70/x
  3. Step 3: Cross multiply
    65,838.04x = 90,855.85 × 35,622.70
  4. Step 4: Simplify right side
    65,838.04x = 3,236,530,687.80
  5. Step 5: Solve for x
    x = 3,236,530,687.80/65,838.04
  6. Step 6: Final answer
    x = 49,158.98

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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.