Home / 48,960.25-73,440.20-13,899.91

Finding the Fourth Proportional to 48,960.25, 73,440.20 and 13,899.91

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Solution

The fourth proportional to 48,960.25, 73,440.20 and 13,899.91 is: 20,849.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,960.25 : 73,440.20 = 13,899.91 : x
  2. Step 2: Convert to fraction form
    48,960.25/73,440.20 = 13,899.91/x
  3. Step 3: Cross multiply
    48,960.25x = 73,440.20 × 13,899.91
  4. Step 4: Simplify right side
    48,960.25x = 1,020,812,100.88
  5. Step 5: Solve for x
    x = 1,020,812,100.88/48,960.25
  6. Step 6: Final answer
    x = 20,849.81

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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.