Home / 38,021.58-57,032.40-10,319.58

Finding the Fourth Proportional to 38,021.58, 57,032.40 and 10,319.58

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Solution

The fourth proportional to 38,021.58, 57,032.40 and 10,319.58 is: 15,479.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,021.58 : 57,032.40 = 10,319.58 : x
  2. Step 2: Convert to fraction form
    38,021.58/57,032.40 = 10,319.58/x
  3. Step 3: Cross multiply
    38,021.58x = 57,032.40 × 10,319.58
  4. Step 4: Simplify right side
    38,021.58x = 588,550,414.39
  5. Step 5: Solve for x
    x = 588,550,414.39/38,021.58
  6. Step 6: Final answer
    x = 15,479.38

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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.