Home / 57,690.41-86,538.77-18,244.58

Finding the Fourth Proportional to 57,690.41, 86,538.77 and 18,244.58

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Solution

The fourth proportional to 57,690.41, 86,538.77 and 18,244.58 is: 27,367.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,690.41 : 86,538.77 = 18,244.58 : x
  2. Step 2: Convert to fraction form
    57,690.41/86,538.77 = 18,244.58/x
  3. Step 3: Cross multiply
    57,690.41x = 86,538.77 × 18,244.58
  4. Step 4: Simplify right side
    57,690.41x = 1,578,863,421.14
  5. Step 5: Solve for x
    x = 1,578,863,421.14/57,690.41
  6. Step 6: Final answer
    x = 27,367.87

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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.