Home / 57,943.20-86,914.80-18,501.60

Finding the Fourth Proportional to 57,943.20, 86,914.80 and 18,501.60

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Solution

The fourth proportional to 57,943.20, 86,914.80 and 18,501.60 is: 27,752.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,943.20 : 86,914.80 = 18,501.60 : x
  2. Step 2: Convert to fraction form
    57,943.20/86,914.80 = 18,501.60/x
  3. Step 3: Cross multiply
    57,943.20x = 86,914.80 × 18,501.60
  4. Step 4: Simplify right side
    57,943.20x = 1,608,062,863.68
  5. Step 5: Solve for x
    x = 1,608,062,863.68/57,943.20
  6. Step 6: Final answer
    x = 27,752.40

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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.