Home / 31,008.86-46,454.75-18,320.75

Finding the Fourth Proportional to 31,008.86, 46,454.75 and 18,320.75

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Solution

The fourth proportional to 31,008.86, 46,454.75 and 18,320.75 is: 27,446.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,008.86 : 46,454.75 = 18,320.75 : x
  2. Step 2: Convert to fraction form
    31,008.86/46,454.75 = 18,320.75/x
  3. Step 3: Cross multiply
    31,008.86x = 46,454.75 × 18,320.75
  4. Step 4: Simplify right side
    31,008.86x = 851,086,144.46
  5. Step 5: Solve for x
    x = 851,086,144.46/31,008.86
  6. Step 6: Final answer
    x = 27,446.55

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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.