Home / 38,505.20-57,642.60-33,897.20

Finding the Fourth Proportional to 38,505.20, 57,642.60 and 33,897.20

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Solution

The fourth proportional to 38,505.20, 57,642.60 and 33,897.20 is: 50,744.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,505.20 : 57,642.60 = 33,897.20 : x
  2. Step 2: Convert to fraction form
    38,505.20/57,642.60 = 33,897.20/x
  3. Step 3: Cross multiply
    38,505.20x = 57,642.60 × 33,897.20
  4. Step 4: Simplify right side
    38,505.20x = 1,953,922,740.72
  5. Step 5: Solve for x
    x = 1,953,922,740.72/38,505.20
  6. Step 6: Final answer
    x = 50,744.39

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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.