Home / 35,562.08-53,349.60-12,190.88

Finding the Fourth Proportional to 35,562.08, 53,349.60 and 12,190.88

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Solution

The fourth proportional to 35,562.08, 53,349.60 and 12,190.88 is: 18,288.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,562.08 : 53,349.60 = 12,190.88 : x
  2. Step 2: Convert to fraction form
    35,562.08/53,349.60 = 12,190.88/x
  3. Step 3: Cross multiply
    35,562.08x = 53,349.60 × 12,190.88
  4. Step 4: Simplify right side
    35,562.08x = 650,378,571.65
  5. Step 5: Solve for x
    x = 650,378,571.65/35,562.08
  6. Step 6: Final answer
    x = 18,288.54

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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.