Home / 45,082.62-67,623.93-20,116.71

Finding the Fourth Proportional to 45,082.62, 67,623.93 and 20,116.71

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Solution

The fourth proportional to 45,082.62, 67,623.93 and 20,116.71 is: 30,175.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,082.62 : 67,623.93 = 20,116.71 : x
  2. Step 2: Convert to fraction form
    45,082.62/67,623.93 = 20,116.71/x
  3. Step 3: Cross multiply
    45,082.62x = 67,623.93 × 20,116.71
  4. Step 4: Simplify right side
    45,082.62x = 1,360,370,988.87
  5. Step 5: Solve for x
    x = 1,360,370,988.87/45,082.62
  6. Step 6: Final answer
    x = 30,175.07

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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.