Home / 57,861.36-86,792.04-18,418.50

Finding the Fourth Proportional to 57,861.36, 86,792.04 and 18,418.50

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Solution

The fourth proportional to 57,861.36, 86,792.04 and 18,418.50 is: 27,627.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,861.36 : 86,792.04 = 18,418.50 : x
  2. Step 2: Convert to fraction form
    57,861.36/86,792.04 = 18,418.50/x
  3. Step 3: Cross multiply
    57,861.36x = 86,792.04 × 18,418.50
  4. Step 4: Simplify right side
    57,861.36x = 1,598,579,188.74
  5. Step 5: Solve for x
    x = 1,598,579,188.74/57,861.36
  6. Step 6: Final answer
    x = 27,627.75

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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.