Home / 43,330.72-65,016.24-18,376.64

Finding the Fourth Proportional to 43,330.72, 65,016.24 and 18,376.64

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Solution

The fourth proportional to 43,330.72, 65,016.24 and 18,376.64 is: 27,573.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,330.72 : 65,016.24 = 18,376.64 : x
  2. Step 2: Convert to fraction form
    43,330.72/65,016.24 = 18,376.64/x
  3. Step 3: Cross multiply
    43,330.72x = 65,016.24 × 18,376.64
  4. Step 4: Simplify right side
    43,330.72x = 1,194,780,036.63
  5. Step 5: Solve for x
    x = 1,194,780,036.63/43,330.72
  6. Step 6: Final answer
    x = 27,573.51

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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.