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Finding the Fourth Proportional to 37,327.80, 56,007.90 and 18,859.80

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Solution

The fourth proportional to 37,327.80, 56,007.90 and 18,859.80 is: 28,297.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,327.80 : 56,007.90 = 18,859.80 : x
  2. Step 2: Convert to fraction form
    37,327.80/56,007.90 = 18,859.80/x
  3. Step 3: Cross multiply
    37,327.80x = 56,007.90 × 18,859.80
  4. Step 4: Simplify right side
    37,327.80x = 1,056,297,792.42
  5. Step 5: Solve for x
    x = 1,056,297,792.42/37,327.80
  6. Step 6: Final answer
    x = 28,297.89

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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.