Home / 37,555.20-51,818.40-28,586.88

Finding the Fourth Proportional to 37,555.20, 51,818.40 and 28,586.88

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Solution

The fourth proportional to 37,555.20, 51,818.40 and 28,586.88 is: 39,443.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,555.20 : 51,818.40 = 28,586.88 : x
  2. Step 2: Convert to fraction form
    37,555.20/51,818.40 = 28,586.88/x
  3. Step 3: Cross multiply
    37,555.20x = 51,818.40 × 28,586.88
  4. Step 4: Simplify right side
    37,555.20x = 1,481,326,382.59
  5. Step 5: Solve for x
    x = 1,481,326,382.59/37,555.20
  6. Step 6: Final answer
    x = 39,443.98

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1.5x scale

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.