Home / 37,486.66-51,732.69-20,491.84

Finding the Fourth Proportional to 37,486.66, 51,732.69 and 20,491.84

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Solution

The fourth proportional to 37,486.66, 51,732.69 and 20,491.84 is: 28,279.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,486.66 : 51,732.69 = 20,491.84 : x
  2. Step 2: Convert to fraction form
    37,486.66/51,732.69 = 20,491.84/x
  3. Step 3: Cross multiply
    37,486.66x = 51,732.69 × 20,491.84
  4. Step 4: Simplify right side
    37,486.66x = 1,060,098,006.25
  5. Step 5: Solve for x
    x = 1,060,098,006.25/37,486.66
  6. Step 6: Final answer
    x = 28,279.34

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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.