Home / 37,445.86-51,674.97-20,678.50

Finding the Fourth Proportional to 37,445.86, 51,674.97 and 20,678.50

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Solution

The fourth proportional to 37,445.86, 51,674.97 and 20,678.50 is: 28,536.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,445.86 : 51,674.97 = 20,678.50 : x
  2. Step 2: Convert to fraction form
    37,445.86/51,674.97 = 20,678.50/x
  3. Step 3: Cross multiply
    37,445.86x = 51,674.97 × 20,678.50
  4. Step 4: Simplify right side
    37,445.86x = 1,068,560,867.15
  5. Step 5: Solve for x
    x = 1,068,560,867.15/37,445.86
  6. Step 6: Final answer
    x = 28,536.16

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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.