Home / 37,544.50-51,814.65-20,780.74

Finding the Fourth Proportional to 37,544.50, 51,814.65 and 20,780.74

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Solution

The fourth proportional to 37,544.50, 51,814.65 and 20,780.74 is: 28,679.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,544.50 : 51,814.65 = 20,780.74 : x
  2. Step 2: Convert to fraction form
    37,544.50/51,814.65 = 20,780.74/x
  3. Step 3: Cross multiply
    37,544.50x = 51,814.65 × 20,780.74
  4. Step 4: Simplify right side
    37,544.50x = 1,076,746,769.84
  5. Step 5: Solve for x
    x = 1,076,746,769.84/37,544.50
  6. Step 6: Final answer
    x = 28,679.21

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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.