Home / 31,514.86-47,272.14-9,328.38

Finding the Fourth Proportional to 31,514.86, 47,272.14 and 9,328.38

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Solution

The fourth proportional to 31,514.86, 47,272.14 and 9,328.38 is: 13,992.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,514.86 : 47,272.14 = 9,328.38 : x
  2. Step 2: Convert to fraction form
    31,514.86/47,272.14 = 9,328.38/x
  3. Step 3: Cross multiply
    31,514.86x = 47,272.14 × 9,328.38
  4. Step 4: Simplify right side
    31,514.86x = 440,972,485.33
  5. Step 5: Solve for x
    x = 440,972,485.33/31,514.86
  6. Step 6: Final answer
    x = 13,992.53

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1.5x scale

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.