Home / 31,550.12-47,216-19,537.28

Finding the Fourth Proportional to 31,550.12, 47,216 and 19,537.28

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Solution

The fourth proportional to 31,550.12, 47,216 and 19,537.28 is: 29,238.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,550.12 : 47,216 = 19,537.28 : x
  2. Step 2: Convert to fraction form
    31,550.12/47,216 = 19,537.28/x
  3. Step 3: Cross multiply
    31,550.12x = 47,216 × 19,537.28
  4. Step 4: Simplify right side
    31,550.12x = 922,472,212.48
  5. Step 5: Solve for x
    x = 922,472,212.48/31,550.12
  6. Step 6: Final answer
    x = 29,238.31

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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.