Home / 38,455.53-57,682.95-12,160.29

Finding the Fourth Proportional to 38,455.53, 57,682.95 and 12,160.29

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Solution

The fourth proportional to 38,455.53, 57,682.95 and 12,160.29 is: 18,240.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,455.53 : 57,682.95 = 12,160.29 : x
  2. Step 2: Convert to fraction form
    38,455.53/57,682.95 = 12,160.29/x
  3. Step 3: Cross multiply
    38,455.53x = 57,682.95 × 12,160.29
  4. Step 4: Simplify right side
    38,455.53x = 701,441,400.06
  5. Step 5: Solve for x
    x = 701,441,400.06/38,455.53
  6. Step 6: Final answer
    x = 18,240.33

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1.5x scale

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.