Home / 37,761.18-52,109.07-20,765.28

Finding the Fourth Proportional to 37,761.18, 52,109.07 and 20,765.28

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Solution

The fourth proportional to 37,761.18, 52,109.07 and 20,765.28 is: 28,655.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,761.18 : 52,109.07 = 20,765.28 : x
  2. Step 2: Convert to fraction form
    37,761.18/52,109.07 = 20,765.28/x
  3. Step 3: Cross multiply
    37,761.18x = 52,109.07 × 20,765.28
  4. Step 4: Simplify right side
    37,761.18x = 1,082,059,429.09
  5. Step 5: Solve for x
    x = 1,082,059,429.09/37,761.18
  6. Step 6: Final answer
    x = 28,655.34

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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.