Home / 65,928.20-98,924.70-30,861.80

Finding the Fourth Proportional to 65,928.20, 98,924.70 and 30,861.80

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Solution

The fourth proportional to 65,928.20, 98,924.70 and 30,861.80 is: 46,307.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,928.20 : 98,924.70 = 30,861.80 : x
  2. Step 2: Convert to fraction form
    65,928.20/98,924.70 = 30,861.80/x
  3. Step 3: Cross multiply
    65,928.20x = 98,924.70 × 30,861.80
  4. Step 4: Simplify right side
    65,928.20x = 3,052,994,306.46
  5. Step 5: Solve for x
    x = 3,052,994,306.46/65,928.20
  6. Step 6: Final answer
    x = 46,307.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.