Home / 37,359.80-51,555.82-20,364.20

Finding the Fourth Proportional to 37,359.80, 51,555.82 and 20,364.20

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Solution

The fourth proportional to 37,359.80, 51,555.82 and 20,364.20 is: 28,102.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,359.80 : 51,555.82 = 20,364.20 : x
  2. Step 2: Convert to fraction form
    37,359.80/51,555.82 = 20,364.20/x
  3. Step 3: Cross multiply
    37,359.80x = 51,555.82 × 20,364.20
  4. Step 4: Simplify right side
    37,359.80x = 1,049,893,029.64
  5. Step 5: Solve for x
    x = 1,049,893,029.64/37,359.80
  6. Step 6: Final answer
    x = 28,102.21

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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.