Home / 38,288.08-57,401.52-19,302.49

Finding the Fourth Proportional to 38,288.08, 57,401.52 and 19,302.49

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Solution

The fourth proportional to 38,288.08, 57,401.52 and 19,302.49 is: 28,938.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,288.08 : 57,401.52 = 19,302.49 : x
  2. Step 2: Convert to fraction form
    38,288.08/57,401.52 = 19,302.49/x
  3. Step 3: Cross multiply
    38,288.08x = 57,401.52 × 19,302.49
  4. Step 4: Simplify right side
    38,288.08x = 1,107,992,265.78
  5. Step 5: Solve for x
    x = 1,107,992,265.78/38,288.08
  6. Step 6: Final answer
    x = 28,938.31

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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.