Home / 40,892.23-61,317.58-18,686.58

Finding the Fourth Proportional to 40,892.23, 61,317.58 and 18,686.58

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Solution

The fourth proportional to 40,892.23, 61,317.58 and 18,686.58 is: 28,020.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,892.23 : 61,317.58 = 18,686.58 : x
  2. Step 2: Convert to fraction form
    40,892.23/61,317.58 = 18,686.58/x
  3. Step 3: Cross multiply
    40,892.23x = 61,317.58 × 18,686.58
  4. Step 4: Simplify right side
    40,892.23x = 1,145,815,817.36
  5. Step 5: Solve for x
    x = 1,145,815,817.36/40,892.23
  6. Step 6: Final answer
    x = 28,020.38

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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.