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Finding the Fourth Proportional to 63,093.60, 94,640.40 and 18,727.20

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Solution

The fourth proportional to 63,093.60, 94,640.40 and 18,727.20 is: 28,090.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,093.60 : 94,640.40 = 18,727.20 : x
  2. Step 2: Convert to fraction form
    63,093.60/94,640.40 = 18,727.20/x
  3. Step 3: Cross multiply
    63,093.60x = 94,640.40 × 18,727.20
  4. Step 4: Simplify right side
    63,093.60x = 1,772,349,698.88
  5. Step 5: Solve for x
    x = 1,772,349,698.88/63,093.60
  6. Step 6: Final answer
    x = 28,090.80

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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.