Home / 31,298.86-43,188.20-17,869.26

Finding the Fourth Proportional to 31,298.86, 43,188.20 and 17,869.26

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Solution

The fourth proportional to 31,298.86, 43,188.20 and 17,869.26 is: 24,657.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,298.86 : 43,188.20 = 17,869.26 : x
  2. Step 2: Convert to fraction form
    31,298.86/43,188.20 = 17,869.26/x
  3. Step 3: Cross multiply
    31,298.86x = 43,188.20 × 17,869.26
  4. Step 4: Simplify right side
    31,298.86x = 771,741,174.73
  5. Step 5: Solve for x
    x = 771,741,174.73/31,298.86
  6. Step 6: Final answer
    x = 24,657.17

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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.