Home / 31,318.80-46,935.82-16,538.78

Finding the Fourth Proportional to 31,318.80, 46,935.82 and 16,538.78

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Solution

The fourth proportional to 31,318.80, 46,935.82 and 16,538.78 is: 24,785.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,318.80 : 46,935.82 = 16,538.78 : x
  2. Step 2: Convert to fraction form
    31,318.80/46,935.82 = 16,538.78/x
  3. Step 3: Cross multiply
    31,318.80x = 46,935.82 × 16,538.78
  4. Step 4: Simplify right side
    31,318.80x = 776,260,966.42
  5. Step 5: Solve for x
    x = 776,260,966.42/31,318.80
  6. Step 6: Final answer
    x = 24,785.79

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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.