Home / 38,133.12-57,165.65-19,402.68

Finding the Fourth Proportional to 38,133.12, 57,165.65 and 19,402.68

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Solution

The fourth proportional to 38,133.12, 57,165.65 and 19,402.68 is: 29,086.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,133.12 : 57,165.65 = 19,402.68 : x
  2. Step 2: Convert to fraction form
    38,133.12/57,165.65 = 19,402.68/x
  3. Step 3: Cross multiply
    38,133.12x = 57,165.65 × 19,402.68
  4. Step 4: Simplify right side
    38,133.12x = 1,109,166,813.94
  5. Step 5: Solve for x
    x = 1,109,166,813.94/38,133.12
  6. Step 6: Final answer
    x = 29,086.71

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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.