Home / 38,283.30-57,438.10-17,238.10

Finding the Fourth Proportional to 38,283.30, 57,438.10 and 17,238.10

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Solution

The fourth proportional to 38,283.30, 57,438.10 and 17,238.10 is: 25,863.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,283.30 : 57,438.10 = 17,238.10 : x
  2. Step 2: Convert to fraction form
    38,283.30/57,438.10 = 17,238.10/x
  3. Step 3: Cross multiply
    38,283.30x = 57,438.10 × 17,238.10
  4. Step 4: Simplify right side
    38,283.30x = 990,123,711.61
  5. Step 5: Solve for x
    x = 990,123,711.61/38,283.30
  6. Step 6: Final answer
    x = 25,863.07

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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.