Home / 37,513.15-51,769.46-20,516.38

Finding the Fourth Proportional to 37,513.15, 51,769.46 and 20,516.38

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Solution

The fourth proportional to 37,513.15, 51,769.46 and 20,516.38 is: 28,313.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,513.15 : 51,769.46 = 20,516.38 : x
  2. Step 2: Convert to fraction form
    37,513.15/51,769.46 = 20,516.38/x
  3. Step 3: Cross multiply
    37,513.15x = 51,769.46 × 20,516.38
  4. Step 4: Simplify right side
    37,513.15x = 1,062,121,835.62
  5. Step 5: Solve for x
    x = 1,062,121,835.62/37,513.15
  6. Step 6: Final answer
    x = 28,313.32

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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.