Home / 31,474.32-43,433.16-18,035.94

Finding the Fourth Proportional to 31,474.32, 43,433.16 and 18,035.94

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Solution

The fourth proportional to 31,474.32, 43,433.16 and 18,035.94 is: 24,888.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,474.32 : 43,433.16 = 18,035.94 : x
  2. Step 2: Convert to fraction form
    31,474.32/43,433.16 = 18,035.94/x
  3. Step 3: Cross multiply
    31,474.32x = 43,433.16 × 18,035.94
  4. Step 4: Simplify right side
    31,474.32x = 783,357,867.77
  5. Step 5: Solve for x
    x = 783,357,867.77/31,474.32
  6. Step 6: Final answer
    x = 24,888.79

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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.