Home / 48,860.46-67,429.09-28,717.05

Finding the Fourth Proportional to 48,860.46, 67,429.09 and 28,717.05

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Solution

The fourth proportional to 48,860.46, 67,429.09 and 28,717.05 is: 39,630.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,860.46 : 67,429.09 = 28,717.05 : x
  2. Step 2: Convert to fraction form
    48,860.46/67,429.09 = 28,717.05/x
  3. Step 3: Cross multiply
    48,860.46x = 67,429.09 × 28,717.05
  4. Step 4: Simplify right side
    48,860.46x = 1,936,364,548.98
  5. Step 5: Solve for x
    x = 1,936,364,548.98/48,860.46
  6. Step 6: Final answer
    x = 39,630.50

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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.