Home / 37,168.04-51,291.82-20,400.68

Finding the Fourth Proportional to 37,168.04, 51,291.82 and 20,400.68

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Solution

The fourth proportional to 37,168.04, 51,291.82 and 20,400.68 is: 28,152.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,168.04 : 51,291.82 = 20,400.68 : x
  2. Step 2: Convert to fraction form
    37,168.04/51,291.82 = 20,400.68/x
  3. Step 3: Cross multiply
    37,168.04x = 51,291.82 × 20,400.68
  4. Step 4: Simplify right side
    37,168.04x = 1,046,388,006.44
  5. Step 5: Solve for x
    x = 1,046,388,006.44/37,168.04
  6. Step 6: Final answer
    x = 28,152.90

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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.