Home / 40,087.44-60,131.14-13,792.40

Finding the Fourth Proportional to 40,087.44, 60,131.14 and 13,792.40

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Solution

The fourth proportional to 40,087.44, 60,131.14 and 13,792.40 is: 20,688.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,087.44 : 60,131.14 = 13,792.40 : x
  2. Step 2: Convert to fraction form
    40,087.44/60,131.14 = 13,792.40/x
  3. Step 3: Cross multiply
    40,087.44x = 60,131.14 × 13,792.40
  4. Step 4: Simplify right side
    40,087.44x = 829,352,735.34
  5. Step 5: Solve for x
    x = 829,352,735.34/40,087.44
  6. Step 6: Final answer
    x = 20,688.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.