Home / 31,957.98-47,935.26-12,235.02

Finding the Fourth Proportional to 31,957.98, 47,935.26 and 12,235.02

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Solution

The fourth proportional to 31,957.98, 47,935.26 and 12,235.02 is: 18,351.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,957.98 : 47,935.26 = 12,235.02 : x
  2. Step 2: Convert to fraction form
    31,957.98/47,935.26 = 12,235.02/x
  3. Step 3: Cross multiply
    31,957.98x = 47,935.26 × 12,235.02
  4. Step 4: Simplify right side
    31,957.98x = 586,488,864.81
  5. Step 5: Solve for x
    x = 586,488,864.81/31,957.98
  6. Step 6: Final answer
    x = 18,351.88

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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.