Home / 57,617.19-86,438.48-17,636.49

Finding the Fourth Proportional to 57,617.19, 86,438.48 and 17,636.49

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Solution

The fourth proportional to 57,617.19, 86,438.48 and 17,636.49 is: 26,458.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,617.19 : 86,438.48 = 17,636.49 : x
  2. Step 2: Convert to fraction form
    57,617.19/86,438.48 = 17,636.49/x
  3. Step 3: Cross multiply
    57,617.19x = 86,438.48 × 17,636.49
  4. Step 4: Simplify right side
    57,617.19x = 1,524,471,299.95
  5. Step 5: Solve for x
    x = 1,524,471,299.95/57,617.19
  6. Step 6: Final answer
    x = 26,458.62

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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.