Home / 31,104.02-42,910.64-18,352.14

Finding the Fourth Proportional to 31,104.02, 42,910.64 and 18,352.14

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Solution

The fourth proportional to 31,104.02, 42,910.64 and 18,352.14 is: 25,318.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,104.02 : 42,910.64 = 18,352.14 : x
  2. Step 2: Convert to fraction form
    31,104.02/42,910.64 = 18,352.14/x
  3. Step 3: Cross multiply
    31,104.02x = 42,910.64 × 18,352.14
  4. Step 4: Simplify right side
    31,104.02x = 787,502,072.77
  5. Step 5: Solve for x
    x = 787,502,072.77/31,104.02
  6. Step 6: Final answer
    x = 25,318.34

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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.