Home / 37,620.72-56,320.68-19,809.36

Finding the Fourth Proportional to 37,620.72, 56,320.68 and 19,809.36

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Solution

The fourth proportional to 37,620.72, 56,320.68 and 19,809.36 is: 29,655.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,620.72 : 56,320.68 = 19,809.36 : x
  2. Step 2: Convert to fraction form
    37,620.72/56,320.68 = 19,809.36/x
  3. Step 3: Cross multiply
    37,620.72x = 56,320.68 × 19,809.36
  4. Step 4: Simplify right side
    37,620.72x = 1,115,676,625.56
  5. Step 5: Solve for x
    x = 1,115,676,625.56/37,620.72
  6. Step 6: Final answer
    x = 29,655.91

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1.5x scale

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.