Home / 37,817.31-56,709.50-11,515.89

Finding the Fourth Proportional to 37,817.31, 56,709.50 and 11,515.89

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Solution

The fourth proportional to 37,817.31, 56,709.50 and 11,515.89 is: 17,268.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,817.31 : 56,709.50 = 11,515.89 : x
  2. Step 2: Convert to fraction form
    37,817.31/56,709.50 = 11,515.89/x
  3. Step 3: Cross multiply
    37,817.31x = 56,709.50 × 11,515.89
  4. Step 4: Simplify right side
    37,817.31x = 653,060,306.38
  5. Step 5: Solve for x
    x = 653,060,306.38/37,817.31
  6. Step 6: Final answer
    x = 17,268.82

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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.