Home / 37,331.25-51,517.13-20,564.25

Finding the Fourth Proportional to 37,331.25, 51,517.13 and 20,564.25

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Solution

The fourth proportional to 37,331.25, 51,517.13 and 20,564.25 is: 28,378.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,331.25 : 51,517.13 = 20,564.25 : x
  2. Step 2: Convert to fraction form
    37,331.25/51,517.13 = 20,564.25/x
  3. Step 3: Cross multiply
    37,331.25x = 51,517.13 × 20,564.25
  4. Step 4: Simplify right side
    37,331.25x = 1,059,411,140.60
  5. Step 5: Solve for x
    x = 1,059,411,140.60/37,331.25
  6. Step 6: Final answer
    x = 28,378.67

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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.