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Finding the Fourth Proportional to 36,657.87, 54,975.81 and 19,118.13

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Solution

The fourth proportional to 36,657.87, 54,975.81 and 19,118.13 is: 28,671.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,657.87 : 54,975.81 = 19,118.13 : x
  2. Step 2: Convert to fraction form
    36,657.87/54,975.81 = 19,118.13/x
  3. Step 3: Cross multiply
    36,657.87x = 54,975.81 × 19,118.13
  4. Step 4: Simplify right side
    36,657.87x = 1,051,034,682.44
  5. Step 5: Solve for x
    x = 1,051,034,682.44/36,657.87
  6. Step 6: Final answer
    x = 28,671.46

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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.