Home / 38,080.80-57,137.40-18,349.20

Finding the Fourth Proportional to 38,080.80, 57,137.40 and 18,349.20

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Solution

The fourth proportional to 38,080.80, 57,137.40 and 18,349.20 is: 27,531.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,080.80 : 57,137.40 = 18,349.20 : x
  2. Step 2: Convert to fraction form
    38,080.80/57,137.40 = 18,349.20/x
  3. Step 3: Cross multiply
    38,080.80x = 57,137.40 × 18,349.20
  4. Step 4: Simplify right side
    38,080.80x = 1,048,425,580.08
  5. Step 5: Solve for x
    x = 1,048,425,580.08/38,080.80
  6. Step 6: Final answer
    x = 27,531.61

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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.