Home / 31,226.12-42,992.16-25,277.48

Finding the Fourth Proportional to 31,226.12, 42,992.16 and 25,277.48

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Solution

The fourth proportional to 31,226.12, 42,992.16 and 25,277.48 is: 34,802.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,226.12 : 42,992.16 = 25,277.48 : x
  2. Step 2: Convert to fraction form
    31,226.12/42,992.16 = 25,277.48/x
  3. Step 3: Cross multiply
    31,226.12x = 42,992.16 × 25,277.48
  4. Step 4: Simplify right side
    31,226.12x = 1,086,733,464.56
  5. Step 5: Solve for x
    x = 1,086,733,464.56/31,226.12
  6. Step 6: Final answer
    x = 34,802.07

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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.