Home / 37,827.12-52,198.20-21,061.68

Finding the Fourth Proportional to 37,827.12, 52,198.20 and 21,061.68

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Solution

The fourth proportional to 37,827.12, 52,198.20 and 21,061.68 is: 29,063.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,827.12 : 52,198.20 = 21,061.68 : x
  2. Step 2: Convert to fraction form
    37,827.12/52,198.20 = 21,061.68/x
  3. Step 3: Cross multiply
    37,827.12x = 52,198.20 × 21,061.68
  4. Step 4: Simplify right side
    37,827.12x = 1,099,381,784.98
  5. Step 5: Solve for x
    x = 1,099,381,784.98/37,827.12
  6. Step 6: Final answer
    x = 29,063.32

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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.