Home / 57,531.21-86,300.54-18,089.85

Finding the Fourth Proportional to 57,531.21, 86,300.54 and 18,089.85

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Solution

The fourth proportional to 57,531.21, 86,300.54 and 18,089.85 is: 27,135.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,531.21 : 86,300.54 = 18,089.85 : x
  2. Step 2: Convert to fraction form
    57,531.21/86,300.54 = 18,089.85/x
  3. Step 3: Cross multiply
    57,531.21x = 86,300.54 × 18,089.85
  4. Step 4: Simplify right side
    57,531.21x = 1,561,163,823.52
  5. Step 5: Solve for x
    x = 1,561,163,823.52/57,531.21
  6. Step 6: Final answer
    x = 27,135.95

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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.