Home / 37,057.72-51,140.46-20,291.80

Finding the Fourth Proportional to 37,057.72, 51,140.46 and 20,291.80

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Solution

The fourth proportional to 37,057.72, 51,140.46 and 20,291.80 is: 28,003.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,057.72 : 51,140.46 = 20,291.80 : x
  2. Step 2: Convert to fraction form
    37,057.72/51,140.46 = 20,291.80/x
  3. Step 3: Cross multiply
    37,057.72x = 51,140.46 × 20,291.80
  4. Step 4: Simplify right side
    37,057.72x = 1,037,731,986.23
  5. Step 5: Solve for x
    x = 1,037,731,986.23/37,057.72
  6. Step 6: Final answer
    x = 28,003.13

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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.