Home / 35,704.04-53,639.28-30,721.88

Finding the Fourth Proportional to 35,704.04, 53,639.28 and 30,721.88

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Solution

The fourth proportional to 35,704.04, 53,639.28 and 30,721.88 is: 46,154.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,704.04 : 53,639.28 = 30,721.88 : x
  2. Step 2: Convert to fraction form
    35,704.04/53,639.28 = 30,721.88/x
  3. Step 3: Cross multiply
    35,704.04x = 53,639.28 × 30,721.88
  4. Step 4: Simplify right side
    35,704.04x = 1,647,899,523.45
  5. Step 5: Solve for x
    x = 1,647,899,523.45/35,704.04
  6. Step 6: Final answer
    x = 46,154.43

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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.