Home / 38,453.42-57,679.59-12,160.10

Finding the Fourth Proportional to 38,453.42, 57,679.59 and 12,160.10

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Solution

The fourth proportional to 38,453.42, 57,679.59 and 12,160.10 is: 18,239.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,453.42 : 57,679.59 = 12,160.10 : x
  2. Step 2: Convert to fraction form
    38,453.42/57,679.59 = 12,160.10/x
  3. Step 3: Cross multiply
    38,453.42x = 57,679.59 × 12,160.10
  4. Step 4: Simplify right side
    38,453.42x = 701,389,582.36
  5. Step 5: Solve for x
    x = 701,389,582.36/38,453.42
  6. Step 6: Final answer
    x = 18,239.98

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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.