Home / 38,789.80-58,184.70-36,165.40

Finding the Fourth Proportional to 38,789.80, 58,184.70 and 36,165.40

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Solution

The fourth proportional to 38,789.80, 58,184.70 and 36,165.40 is: 54,248.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,789.80 : 58,184.70 = 36,165.40 : x
  2. Step 2: Convert to fraction form
    38,789.80/58,184.70 = 36,165.40/x
  3. Step 3: Cross multiply
    38,789.80x = 58,184.70 × 36,165.40
  4. Step 4: Simplify right side
    38,789.80x = 2,104,272,949.38
  5. Step 5: Solve for x
    x = 2,104,272,949.38/38,789.80
  6. Step 6: Final answer
    x = 54,248.10

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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.