Home / 65,281.05-90,087.03-36,600.57

Finding the Fourth Proportional to 65,281.05, 90,087.03 and 36,600.57

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Solution

The fourth proportional to 65,281.05, 90,087.03 and 36,600.57 is: 50,508.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,281.05 : 90,087.03 = 36,600.57 : x
  2. Step 2: Convert to fraction form
    65,281.05/90,087.03 = 36,600.57/x
  3. Step 3: Cross multiply
    65,281.05x = 90,087.03 × 36,600.57
  4. Step 4: Simplify right side
    65,281.05x = 3,297,236,647.61
  5. Step 5: Solve for x
    x = 3,297,236,647.61/65,281.05
  6. Step 6: Final answer
    x = 50,508.33

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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.