Home / 37,416.12-51,634.14-20,649

Finding the Fourth Proportional to 37,416.12, 51,634.14 and 20,649

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Solution

The fourth proportional to 37,416.12, 51,634.14 and 20,649 is: 28,495.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,416.12 : 51,634.14 = 20,649 : x
  2. Step 2: Convert to fraction form
    37,416.12/51,634.14 = 20,649/x
  3. Step 3: Cross multiply
    37,416.12x = 51,634.14 × 20,649
  4. Step 4: Simplify right side
    37,416.12x = 1,066,193,356.86
  5. Step 5: Solve for x
    x = 1,066,193,356.86/37,416.12
  6. Step 6: Final answer
    x = 28,495.56

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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.