Home / 37,765.26-52,115.03-20,769.51

Finding the Fourth Proportional to 37,765.26, 52,115.03 and 20,769.51

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Solution

The fourth proportional to 37,765.26, 52,115.03 and 20,769.51 is: 28,661.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,765.26 : 52,115.03 = 20,769.51 : x
  2. Step 2: Convert to fraction form
    37,765.26/52,115.03 = 20,769.51/x
  3. Step 3: Cross multiply
    37,765.26x = 52,115.03 × 20,769.51
  4. Step 4: Simplify right side
    37,765.26x = 1,082,403,636.74
  5. Step 5: Solve for x
    x = 1,082,403,636.74/37,765.26
  6. Step 6: Final answer
    x = 28,661.36

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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.