Home / 40,893.23-61,319.08-18,687.58

Finding the Fourth Proportional to 40,893.23, 61,319.08 and 18,687.58

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Solution

The fourth proportional to 40,893.23, 61,319.08 and 18,687.58 is: 28,021.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,893.23 : 61,319.08 = 18,687.58 : x
  2. Step 2: Convert to fraction form
    40,893.23/61,319.08 = 18,687.58/x
  3. Step 3: Cross multiply
    40,893.23x = 61,319.08 × 18,687.58
  4. Step 4: Simplify right side
    40,893.23x = 1,145,905,213.03
  5. Step 5: Solve for x
    x = 1,145,905,213.03/40,893.23
  6. Step 6: Final answer
    x = 28,021.88

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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.