Home / 30,933.45-42,688.15-17,504.43

Finding the Fourth Proportional to 30,933.45, 42,688.15 and 17,504.43

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Solution

The fourth proportional to 30,933.45, 42,688.15 and 17,504.43 is: 24,156.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,933.45 : 42,688.15 = 17,504.43 : x
  2. Step 2: Convert to fraction form
    30,933.45/42,688.15 = 17,504.43/x
  3. Step 3: Cross multiply
    30,933.45x = 42,688.15 × 17,504.43
  4. Step 4: Simplify right side
    30,933.45x = 747,231,733.50
  5. Step 5: Solve for x
    x = 747,231,733.50/30,933.45
  6. Step 6: Final answer
    x = 24,156.11

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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.