Home / 38,080.39-57,153.40-18,375.52

Finding the Fourth Proportional to 38,080.39, 57,153.40 and 18,375.52

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Solution

The fourth proportional to 38,080.39, 57,153.40 and 18,375.52 is: 27,579.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,080.39 : 57,153.40 = 18,375.52 : x
  2. Step 2: Convert to fraction form
    38,080.39/57,153.40 = 18,375.52/x
  3. Step 3: Cross multiply
    38,080.39x = 57,153.40 × 18,375.52
  4. Step 4: Simplify right side
    38,080.39x = 1,050,223,352.89
  5. Step 5: Solve for x
    x = 1,050,223,352.89/38,080.39
  6. Step 6: Final answer
    x = 27,579.11

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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.