Home / 31,489.24-47,190.66-30,543.16

Finding the Fourth Proportional to 31,489.24, 47,190.66 and 30,543.16

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Solution

The fourth proportional to 31,489.24, 47,190.66 and 30,543.16 is: 45,772.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,489.24 : 47,190.66 = 30,543.16 : x
  2. Step 2: Convert to fraction form
    31,489.24/47,190.66 = 30,543.16/x
  3. Step 3: Cross multiply
    31,489.24x = 47,190.66 × 30,543.16
  4. Step 4: Simplify right side
    31,489.24x = 1,441,351,878.89
  5. Step 5: Solve for x
    x = 1,441,351,878.89/31,489.24
  6. Step 6: Final answer
    x = 45,772.84

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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.