Home / 31,011.56-46,517.52-7,637.84

Finding the Fourth Proportional to 31,011.56, 46,517.52 and 7,637.84

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Solution

The fourth proportional to 31,011.56, 46,517.52 and 7,637.84 is: 11,456.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,011.56 : 46,517.52 = 7,637.84 : x
  2. Step 2: Convert to fraction form
    31,011.56/46,517.52 = 7,637.84/x
  3. Step 3: Cross multiply
    31,011.56x = 46,517.52 × 7,637.84
  4. Step 4: Simplify right side
    31,011.56x = 355,293,374.96
  5. Step 5: Solve for x
    x = 355,293,374.96/31,011.56
  6. Step 6: Final answer
    x = 11,456.80

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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.