Home / 30,552.86-42,158.67-17,123.06

Finding the Fourth Proportional to 30,552.86, 42,158.67 and 17,123.06

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Solution

The fourth proportional to 30,552.86, 42,158.67 and 17,123.06 is: 23,627.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,552.86 : 42,158.67 = 17,123.06 : x
  2. Step 2: Convert to fraction form
    30,552.86/42,158.67 = 17,123.06/x
  3. Step 3: Cross multiply
    30,552.86x = 42,158.67 × 17,123.06
  4. Step 4: Simplify right side
    30,552.86x = 721,885,435.93
  5. Step 5: Solve for x
    x = 721,885,435.93/30,552.86
  6. Step 6: Final answer
    x = 23,627.43

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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.