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Finding the Fourth Proportional to 56,342.01, 84,523.07 and 18,914.27

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Solution

The fourth proportional to 56,342.01, 84,523.07 and 18,914.27 is: 28,374.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,342.01 : 84,523.07 = 18,914.27 : x
  2. Step 2: Convert to fraction form
    56,342.01/84,523.07 = 18,914.27/x
  3. Step 3: Cross multiply
    56,342.01x = 84,523.07 × 18,914.27
  4. Step 4: Simplify right side
    56,342.01x = 1,598,692,167.21
  5. Step 5: Solve for x
    x = 1,598,692,167.21/56,342.01
  6. Step 6: Final answer
    x = 28,374.78

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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.