Home / 31,049.12-42,846.62-16,901.66

Finding the Fourth Proportional to 31,049.12, 42,846.62 and 16,901.66

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Solution

The fourth proportional to 31,049.12, 42,846.62 and 16,901.66 is: 23,323.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,049.12 : 42,846.62 = 16,901.66 : x
  2. Step 2: Convert to fraction form
    31,049.12/42,846.62 = 16,901.66/x
  3. Step 3: Cross multiply
    31,049.12x = 42,846.62 × 16,901.66
  4. Step 4: Simplify right side
    31,049.12x = 724,178,704.65
  5. Step 5: Solve for x
    x = 724,178,704.65/31,049.12
  6. Step 6: Final answer
    x = 23,323.65

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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.