Home / 30,814.37-42,520.17-17,384.84

Finding the Fourth Proportional to 30,814.37, 42,520.17 and 17,384.84

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Solution

The fourth proportional to 30,814.37, 42,520.17 and 17,384.84 is: 23,989.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,814.37 : 42,520.17 = 17,384.84 : x
  2. Step 2: Convert to fraction form
    30,814.37/42,520.17 = 17,384.84/x
  3. Step 3: Cross multiply
    30,814.37x = 42,520.17 × 17,384.84
  4. Step 4: Simplify right side
    30,814.37x = 739,206,352.22
  5. Step 5: Solve for x
    x = 739,206,352.22/30,814.37
  6. Step 6: Final answer
    x = 23,989.01

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