Home / 31,711.22-43,756.53-18,282.98

Finding the Fourth Proportional to 31,711.22, 43,756.53 and 18,282.98

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Solution

The fourth proportional to 31,711.22, 43,756.53 and 18,282.98 is: 25,227.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,711.22 : 43,756.53 = 18,282.98 : x
  2. Step 2: Convert to fraction form
    31,711.22/43,756.53 = 18,282.98/x
  3. Step 3: Cross multiply
    31,711.22x = 43,756.53 × 18,282.98
  4. Step 4: Simplify right side
    31,711.22x = 799,999,762.86
  5. Step 5: Solve for x
    x = 799,999,762.86/31,711.22
  6. Step 6: Final answer
    x = 25,227.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.