Home / 30,567.46-42,182.13-17,139.49

Finding the Fourth Proportional to 30,567.46, 42,182.13 and 17,139.49

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Solution

The fourth proportional to 30,567.46, 42,182.13 and 17,139.49 is: 23,651.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,567.46 : 42,182.13 = 17,139.49 : x
  2. Step 2: Convert to fraction form
    30,567.46/42,182.13 = 17,139.49/x
  3. Step 3: Cross multiply
    30,567.46x = 42,182.13 × 17,139.49
  4. Step 4: Simplify right side
    30,567.46x = 722,980,195.31
  5. Step 5: Solve for x
    x = 722,980,195.31/30,567.46
  6. Step 6: Final answer
    x = 23,651.96

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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.