Home / 41,243.72-56,942.12-28,345.21

Finding the Fourth Proportional to 41,243.72, 56,942.12 and 28,345.21

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Solution

The fourth proportional to 41,243.72, 56,942.12 and 28,345.21 is: 39,134.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,243.72 : 56,942.12 = 28,345.21 : x
  2. Step 2: Convert to fraction form
    41,243.72/56,942.12 = 28,345.21/x
  3. Step 3: Cross multiply
    41,243.72x = 56,942.12 × 28,345.21
  4. Step 4: Simplify right side
    41,243.72x = 1,614,036,277.75
  5. Step 5: Solve for x
    x = 1,614,036,277.75/41,243.72
  6. Step 6: Final answer
    x = 39,134.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.