Home / 38,553.88-57,795.30-13,580.32

Finding the Fourth Proportional to 38,553.88, 57,795.30 and 13,580.32

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Solution

The fourth proportional to 38,553.88, 57,795.30 and 13,580.32 is: 20,357.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,553.88 : 57,795.30 = 13,580.32 : x
  2. Step 2: Convert to fraction form
    38,553.88/57,795.30 = 13,580.32/x
  3. Step 3: Cross multiply
    38,553.88x = 57,795.30 × 13,580.32
  4. Step 4: Simplify right side
    38,553.88x = 784,878,668.50
  5. Step 5: Solve for x
    x = 784,878,668.50/38,553.88
  6. Step 6: Final answer
    x = 20,357.97

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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.