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Finding the Fourth Proportional to 56,310.58, 84,407.03 and 18,839.83

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Solution

The fourth proportional to 56,310.58, 84,407.03 and 18,839.83 is: 28,240.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,310.58 : 84,407.03 = 18,839.83 : x
  2. Step 2: Convert to fraction form
    56,310.58/84,407.03 = 18,839.83/x
  3. Step 3: Cross multiply
    56,310.58x = 84,407.03 × 18,839.83
  4. Step 4: Simplify right side
    56,310.58x = 1,590,214,096.00
  5. Step 5: Solve for x
    x = 1,590,214,096.00/56,310.58
  6. Step 6: Final answer
    x = 28,240.06

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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.