Home / 37,759.20-56,638.80-31,927.20

Finding the Fourth Proportional to 37,759.20, 56,638.80 and 31,927.20

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Solution

The fourth proportional to 37,759.20, 56,638.80 and 31,927.20 is: 47,890.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,759.20 : 56,638.80 = 31,927.20 : x
  2. Step 2: Convert to fraction form
    37,759.20/56,638.80 = 31,927.20/x
  3. Step 3: Cross multiply
    37,759.20x = 56,638.80 × 31,927.20
  4. Step 4: Simplify right side
    37,759.20x = 1,808,318,295.36
  5. Step 5: Solve for x
    x = 1,808,318,295.36/37,759.20
  6. Step 6: Final answer
    x = 47,890.80

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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.