Home / 57,509.10-86,212.35-22,440.60

Finding the Fourth Proportional to 57,509.10, 86,212.35 and 22,440.60

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Solution

The fourth proportional to 57,509.10, 86,212.35 and 22,440.60 is: 33,640.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,509.10 : 86,212.35 = 22,440.60 : x
  2. Step 2: Convert to fraction form
    57,509.10/86,212.35 = 22,440.60/x
  3. Step 3: Cross multiply
    57,509.10x = 86,212.35 × 22,440.60
  4. Step 4: Simplify right side
    57,509.10x = 1,934,656,861.41
  5. Step 5: Solve for x
    x = 1,934,656,861.41/57,509.10
  6. Step 6: Final answer
    x = 33,640.88

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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.