Home / 38,419.89-57,528.84-30,883.44

Finding the Fourth Proportional to 38,419.89, 57,528.84 and 30,883.44

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Solution

The fourth proportional to 38,419.89, 57,528.84 and 30,883.44 is: 46,243.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,419.89 : 57,528.84 = 30,883.44 : x
  2. Step 2: Convert to fraction form
    38,419.89/57,528.84 = 30,883.44/x
  3. Step 3: Cross multiply
    38,419.89x = 57,528.84 × 30,883.44
  4. Step 4: Simplify right side
    38,419.89x = 1,776,688,478.41
  5. Step 5: Solve for x
    x = 1,776,688,478.41/38,419.89
  6. Step 6: Final answer
    x = 46,243.98

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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.