Home / 43,043.16-64,589.79-18,081.30

Finding the Fourth Proportional to 43,043.16, 64,589.79 and 18,081.30

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Solution

The fourth proportional to 43,043.16, 64,589.79 and 18,081.30 is: 27,132.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,043.16 : 64,589.79 = 18,081.30 : x
  2. Step 2: Convert to fraction form
    43,043.16/64,589.79 = 18,081.30/x
  3. Step 3: Cross multiply
    43,043.16x = 64,589.79 × 18,081.30
  4. Step 4: Simplify right side
    43,043.16x = 1,167,867,369.93
  5. Step 5: Solve for x
    x = 1,167,867,369.93/43,043.16
  6. Step 6: Final answer
    x = 27,132.47

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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.