Home / 37,306.30-51,501.70-28,789.28

Finding the Fourth Proportional to 37,306.30, 51,501.70 and 28,789.28

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Solution

The fourth proportional to 37,306.30, 51,501.70 and 28,789.28 is: 39,743.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,306.30 : 51,501.70 = 28,789.28 : x
  2. Step 2: Convert to fraction form
    37,306.30/51,501.70 = 28,789.28/x
  3. Step 3: Cross multiply
    37,306.30x = 51,501.70 × 28,789.28
  4. Step 4: Simplify right side
    37,306.30x = 1,482,696,861.78
  5. Step 5: Solve for x
    x = 1,482,696,861.78/37,306.30
  6. Step 6: Final answer
    x = 39,743.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.