Home / 31,085.37-42,896.28-17,654.86

Finding the Fourth Proportional to 31,085.37, 42,896.28 and 17,654.86

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Solution

The fourth proportional to 31,085.37, 42,896.28 and 17,654.86 is: 24,362.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,085.37 : 42,896.28 = 17,654.86 : x
  2. Step 2: Convert to fraction form
    31,085.37/42,896.28 = 17,654.86/x
  3. Step 3: Cross multiply
    31,085.37x = 42,896.28 × 17,654.86
  4. Step 4: Simplify right side
    31,085.37x = 757,327,937.75
  5. Step 5: Solve for x
    x = 757,327,937.75/31,085.37
  6. Step 6: Final answer
    x = 24,362.84

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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.