Home / 31,517.86-43,496.04-18,089.68

Finding the Fourth Proportional to 31,517.86, 43,496.04 and 18,089.68

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Solution

The fourth proportional to 31,517.86, 43,496.04 and 18,089.68 is: 24,964.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,517.86 : 43,496.04 = 18,089.68 : x
  2. Step 2: Convert to fraction form
    31,517.86/43,496.04 = 18,089.68/x
  3. Step 3: Cross multiply
    31,517.86x = 43,496.04 × 18,089.68
  4. Step 4: Simplify right side
    31,517.86x = 786,829,444.87
  5. Step 5: Solve for x
    x = 786,829,444.87/31,517.86
  6. Step 6: Final answer
    x = 24,964.56

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1.5x scale

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.