Home / 31,364.11-46,984.65-18,188.80

Finding the Fourth Proportional to 31,364.11, 46,984.65 and 18,188.80

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Solution

The fourth proportional to 31,364.11, 46,984.65 and 18,188.80 is: 27,247.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,364.11 : 46,984.65 = 18,188.80 : x
  2. Step 2: Convert to fraction form
    31,364.11/46,984.65 = 18,188.80/x
  3. Step 3: Cross multiply
    31,364.11x = 46,984.65 × 18,188.80
  4. Step 4: Simplify right side
    31,364.11x = 854,594,528.86
  5. Step 5: Solve for x
    x = 854,594,528.86/31,364.11
  6. Step 6: Final answer
    x = 27,247.53

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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.