Home / 51,626.44-71,247.36-28,972.68

Finding the Fourth Proportional to 51,626.44, 71,247.36 and 28,972.68

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Solution

The fourth proportional to 51,626.44, 71,247.36 and 28,972.68 is: 39,983.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,626.44 : 71,247.36 = 28,972.68 : x
  2. Step 2: Convert to fraction form
    51,626.44/71,247.36 = 28,972.68/x
  3. Step 3: Cross multiply
    51,626.44x = 71,247.36 × 28,972.68
  4. Step 4: Simplify right side
    51,626.44x = 2,064,226,962.12
  5. Step 5: Solve for x
    x = 2,064,226,962.12/51,626.44
  6. Step 6: Final answer
    x = 39,983.91

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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.