Home / 65,211.45-97,817.18-30,219.45

Finding the Fourth Proportional to 65,211.45, 97,817.18 and 30,219.45

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Solution

The fourth proportional to 65,211.45, 97,817.18 and 30,219.45 is: 45,329.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,211.45 : 97,817.18 = 30,219.45 : x
  2. Step 2: Convert to fraction form
    65,211.45/97,817.18 = 30,219.45/x
  3. Step 3: Cross multiply
    65,211.45x = 97,817.18 × 30,219.45
  4. Step 4: Simplify right side
    65,211.45x = 2,955,981,229.05
  5. Step 5: Solve for x
    x = 2,955,981,229.05/65,211.45
  6. Step 6: Final answer
    x = 45,329.18

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1.5x scale

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.