Home / 45,880-63,333.82-27,981.42

Finding the Fourth Proportional to 45,880, 63,333.82 and 27,981.42

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Solution

The fourth proportional to 45,880, 63,333.82 and 27,981.42 is: 38,626.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,880 : 63,333.82 = 27,981.42 : x
  2. Step 2: Convert to fraction form
    45,880/63,333.82 = 27,981.42/x
  3. Step 3: Cross multiply
    45,880x = 63,333.82 × 27,981.42
  4. Step 4: Simplify right side
    45,880x = 1,772,170,217.62
  5. Step 5: Solve for x
    x = 1,772,170,217.62/45,880
  6. Step 6: Final answer
    x = 38,626.20

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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.