Home / 37,486.03-51,732.12-20,491.43

Finding the Fourth Proportional to 37,486.03, 51,732.12 and 20,491.43

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Solution

The fourth proportional to 37,486.03, 51,732.12 and 20,491.43 is: 28,278.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,486.03 : 51,732.12 = 20,491.43 : x
  2. Step 2: Convert to fraction form
    37,486.03/51,732.12 = 20,491.43/x
  3. Step 3: Cross multiply
    37,486.03x = 51,732.12 × 20,491.43
  4. Step 4: Simplify right side
    37,486.03x = 1,060,065,109.64
  5. Step 5: Solve for x
    x = 1,060,065,109.64/37,486.03
  6. Step 6: Final answer
    x = 28,278.93

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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.