Home / 30,839.41-46,231.17-19,748.89

Finding the Fourth Proportional to 30,839.41, 46,231.17 and 19,748.89

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Solution

The fourth proportional to 30,839.41, 46,231.17 and 19,748.89 is: 29,605.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,839.41 : 46,231.17 = 19,748.89 : x
  2. Step 2: Convert to fraction form
    30,839.41/46,231.17 = 19,748.89/x
  3. Step 3: Cross multiply
    30,839.41x = 46,231.17 × 19,748.89
  4. Step 4: Simplify right side
    30,839.41x = 913,014,290.90
  5. Step 5: Solve for x
    x = 913,014,290.90/30,839.41
  6. Step 6: Final answer
    x = 29,605.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.