Home / 31,637.25-47,463.81-9,450.54

Finding the Fourth Proportional to 31,637.25, 47,463.81 and 9,450.54

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Solution

The fourth proportional to 31,637.25, 47,463.81 and 9,450.54 is: 14,178.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,637.25 : 47,463.81 = 9,450.54 : x
  2. Step 2: Convert to fraction form
    31,637.25/47,463.81 = 9,450.54/x
  3. Step 3: Cross multiply
    31,637.25x = 47,463.81 × 9,450.54
  4. Step 4: Simplify right side
    31,637.25x = 448,558,634.96
  5. Step 5: Solve for x
    x = 448,558,634.96/31,637.25
  6. Step 6: Final answer
    x = 14,178.18

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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.