Home / 57,838.16-86,757.24-30,190.16

Finding the Fourth Proportional to 57,838.16, 86,757.24 and 30,190.16

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Solution

The fourth proportional to 57,838.16, 86,757.24 and 30,190.16 is: 45,285.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,838.16 : 86,757.24 = 30,190.16 : x
  2. Step 2: Convert to fraction form
    57,838.16/86,757.24 = 30,190.16/x
  3. Step 3: Cross multiply
    57,838.16x = 86,757.24 × 30,190.16
  4. Step 4: Simplify right side
    57,838.16x = 2,619,214,956.76
  5. Step 5: Solve for x
    x = 2,619,214,956.76/57,838.16
  6. Step 6: Final answer
    x = 45,285.24

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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.