Home / 37,517.10-51,771.42-20,518.17

Finding the Fourth Proportional to 37,517.10, 51,771.42 and 20,518.17

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Solution

The fourth proportional to 37,517.10, 51,771.42 and 20,518.17 is: 28,313.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,517.10 : 51,771.42 = 20,518.17 : x
  2. Step 2: Convert to fraction form
    37,517.10/51,771.42 = 20,518.17/x
  3. Step 3: Cross multiply
    37,517.10x = 51,771.42 × 20,518.17
  4. Step 4: Simplify right side
    37,517.10x = 1,062,254,796.70
  5. Step 5: Solve for x
    x = 1,062,254,796.70/37,517.10
  6. Step 6: Final answer
    x = 28,313.88

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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.