Home / 31,294.86-46,942.37-9,108.75

Finding the Fourth Proportional to 31,294.86, 46,942.37 and 9,108.75

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Solution

The fourth proportional to 31,294.86, 46,942.37 and 9,108.75 is: 13,663.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,294.86 : 46,942.37 = 9,108.75 : x
  2. Step 2: Convert to fraction form
    31,294.86/46,942.37 = 9,108.75/x
  3. Step 3: Cross multiply
    31,294.86x = 46,942.37 × 9,108.75
  4. Step 4: Simplify right side
    31,294.86x = 427,586,477.39
  5. Step 5: Solve for x
    x = 427,586,477.39/31,294.86
  6. Step 6: Final answer
    x = 13,663.16

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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.